Capital One Financial Corporation
MX ˙ BMV ˙ US14040H1059
SecurityMX:COF / Capital One Financial Corporation
InstitutionTwin Tree Management, LP
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Twin Tree Management, LP ownership in COF / Capital One Financial Corporation

On July 28, 2025 - Twin Tree Management, LP filed a 13F-HR form disclosing ownership of 0 shares of Capital One Financial Corporation (MX:COF) valued at $0 USD as of June 30, 2025. The entity filed a previous 13F-HR on May 15, 2025 disclosing 14,098 shares of Capital One Financial Corporation. This represents a change in shares of -100.00% during the quarter.

Twin Tree Management, LP has a history of taking positions in derivatives of the underlying security (COF) in the form of stock options. The firm currently holds call options representing 45,300 of underlying shares valued at $8,264,079 USD and put options representing 22,100 of underlying shares valued at $4,031,703 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:COF / Capital One Financial Corporation Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2025-07-28 2025-06-30 13F CAPITAL ONE FINL COM 14040H105 0 -14,098 -100.00 0 -100.00
2025-05-15 2025-03-31 13F CAPITAL ONE FINL COM 14040H105 14,098 14,098 2,528 0.0048
2025-02-10 2024-12-31 13F CAPITAL ONE FINL COM 14040H105 0 -131,395 -100.00 0 -100.00
2024-11-13 2024-09-30 13F CAPITAL ONE FINL COM 14040H105 131,395 117,938 876.41 19,674 955.98 0.0386
2024-08-13 2024-06-30 13F CAPITAL ONE FINL COM 14040H105 13,457 -55,047 -80.36 1,863 -81.73 0.0042
2024-05-09 2024-03-31 13F CAPITAL ONE FINL COM 14040H105 68,504 35,009 104.52 10,200 132.27 0.0225
2024-02-14 2023-12-31 13F CAPITAL ONE FINL COM 14040H105 33,495 33,495 4,392 0.0084
2023-08-11 2023-06-30 13F CAPITAL ONE FINANCIAL COM 14040H105 0 -193,333 -100.00 0 -100.00
2023-05-10 2023-03-31 13F CAPITAL ONE FINANCIAL COM 14040H105 193,333 178,317 1,187.51 18,591 1,232.62 0.0345
2023-02-13 2022-12-31 13F CAPITAL ONE FINANCIAL COM 14040H105 15,016 15,016 1,396 0.0030
2022-08-11 2022-06-30 13F CAPITAL ONE FINANCIAL COM 14040H105 0 -83,045 -100.00 0 -100.00
2022-05-11 2022-03-31 13F CAPITAL ONE FINANCIAL COM 14040H105 83,045 44,379 114.78 10,903 94.35 0.0174
2022-02-10 2021-12-31 13F CAPITAL ONE FINANCIAL COM 14040H105 38,666 17,204 80.16 5,610 61.39 0.0117
2021-11-12 2021-09-30 13F CAPITAL ONE FINANCIAL COM 14040H105 21,462 21,462 3,476 0.0077
2021-05-17 2021-03-31 13F CAPITAL ONE FINANCIAL COM 14040H105 0 -36,897 -100.00 0 -100.00
2021-02-12 2020-12-31 13F CAPITAL ONE FINANCIAL COM 14040H105 36,897 -85,977 -69.97 3,647 -58.70 0.0146
2020-11-13 2020-09-30 13F CAPITAL ONE FINANCIAL COM 14040H105 122,874 122,874 8,830 0.0364
2019-11-12 2019-09-30 13F CAPITAL ONE FINL COM 14040H105 0 -7,972 -100.00 0 -100.00
2019-08-12 2019-06-30 13F CAPITAL ONE FINL COM 14040H105 7,972 7,972 723 0.0035
2018-11-09 2018-09-30 13F CAPITAL ONE FINL COM 14040H105 0 -24,715 -100.00 0 -100.00
2018-08-07 2018-06-30 13F CAPITAL ONE FINL COM 14040H105 24,715 24,296 5,798.57 2,271 5,577.50 0.0139
2018-05-09 2018-03-31 13F CAPITAL ONE FINL COM 14040H105 419 378 921.95 40 900.00 0.0003
2018-02-09 2017-12-31 13F CAPITAL ONE FINL COM 14040H105 41 41 4 0.0000
2017-02-13 2016-12-31 13F CAPITAL ONE FINL COM 14040H105 0 -23,957 -100.00 0 -100.00
2016-11-15 2016-09-30 13F CAPITAL ONE FINL COM 14040H105 23,957 -9,754 -28.93 1,721 -19.62 0.0220
2016-08-15 2016-06-30 13F CAPITAL ONE FINL COM 14040H105 33,711 33,711 0.00 2,141 0.0335
2016-09-14 2016-03-31 13F/A-1 CAPITAL ONE FINL COM 14040H105 0 -22,069 -100.00 0 -100.00
2016-09-14 2015-12-31 13F/A-1 CAPITAL ONE FINL COM 14040H105 22,069 14,297 183.96 1,593 182.45 0.0315
2016-02-16 2015-12-31 13F CAPITAL ONE FINL COM 14040H105 22,069 1,593
2016-09-14 2015-09-30 13F/A-1 CAPITAL ONE FINL COM 14040H105 7,772 6,436 481.74 564 377.97 0.0145
2015-11-16 2015-09-30 13F CAPITAL ONE FINL COM 14040H105 7,772 564
2016-09-14 2015-06-30 13F/A-1 CAPITAL ONE FINL COM 14040H105 1,336 -9,966 -88.18 118 -86.76 0.0029
2016-09-14 2015-03-31 13F/A-1 CAPITAL ONE FINL COM 14040H105 11,302 1,778 18.67 891 13.36 0.0228
2015-05-15 2015-03-31 13F CAPITAL ONE FINL COM 14040H105 11,302 891
2016-09-14 2014-12-31 13F/A-1 CAPITAL ONE FINL COM 14040H105 9,524 7,579 389.67 786 394.34 0.0219
2015-02-17 2014-12-31 13F CAPITAL ONE FINL COM 14040H105 9,524 786
2016-09-14 2014-09-30 13F/A-1 CAPITAL ONE FINL COM 14040H105 1,945 1,945 0.00 159 0.0042
2014-11-14 2014-09-30 13F CAPITAL ONE FINL COM 14040H105 1,945 159
2016-09-14 2014-06-30 13F/A-1 CAPITAL ONE FINL COM 14040H105 0 -1,171 -100.00 0 -100.00
2016-09-14 2014-03-31 13F/A-1 CAPITAL ONE FINL COM 14040H105 1,171 1,171 90 0.0018
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F CAPITAL ONE FINANCIAL COM Call 45,300 56.75 8,264 17.99 n/a n/a n/a
2026-02-11 2025-12-31 13F CAPITAL ONE FINL COM Call 28,900 7,004 n/a n/a n/a
2025-11-13 2025-09-30 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-07-28 2025-06-30 13F CAPITAL ONE FINL COM Call 69,900 0.00 14,872 18.65 n/a n/a n/a
2025-05-15 2025-03-31 13F CAPITAL ONE FINL COM Call 69,900 -40.15 12,533 -39.82 n/a n/a n/a
2025-02-10 2024-12-31 13F CAPITAL ONE FINANCIAL ORDINARY SHARES Call 116,800 20,828 n/a n/a n/a
2024-11-13 2024-09-30 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-13 2024-06-30 13F CAPITAL ONE FINL COM Call 23,500 3,254 n/a n/a n/a
2024-05-09 2024-03-31 13F CAPITAL ONE FINL CALL Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-02-14 2023-12-31 13F CAPITAL ONE FINL CALL Call 31,400 -39.96 4,117 -18.88 n/a n/a n/a
2023-11-14 2023-09-30 13F CAPITAL ONE FINANCIAL CALL Call 52,300 -92.57 5,076 -93.41 n/a n/a n/a
2023-08-11 2023-06-30 13F CAPITAL ONE FINANCIAL CALL Call 704,000 -36.63 76,996 -27.92 n/a n/a n/a
2023-05-10 2023-03-31 13F CAPITAL ONE FINANCIAL CALL Call 1,110,900 -38.69 106,824 -36.57 n/a n/a n/a
2023-02-13 2022-12-31 13F CAPITAL ONE FINANCIAL CALL Call 1,811,800 168,425 n/a n/a n/a
2022-08-11 2022-06-30 13F CAPITAL ONE FINANCIAL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-11 2022-03-31 13F CAPITAL ONE FINANCIAL COM Call 126,500 0.00 16,608 -9.51 n/a n/a n/a
2022-02-10 2021-12-31 13F CAPITAL ONE FINANCIAL COM Call 126,500 18,354 n/a n/a n/a
2021-08-12 2021-06-30 13F CAPITAL ONE FINANCIAL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-17 2021-03-31 13F CAPITAL ONE FINANCIAL COM Call 15,500 545.83 1,972 732.07 n/a n/a n/a
2021-02-12 2020-12-31 13F CAPITAL ONE FINANCIAL COM Call 2,400 237 n/a n/a n/a
2020-08-12 2020-06-30 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-13 2020-03-31 13F CAPITAL ONE FINL COM Call 223,400 -53.98 11,264 -77.45 n/a n/a n/a
2020-02-14 2019-12-31 13F CAPITAL ONE FINL COM Call 485,400 -10.72 49,953 0.98 n/a n/a n/a
2019-11-12 2019-09-30 13F CAPITAL ONE FINL COM Call 543,700 49,466 n/a n/a n/a
2019-05-10 2019-03-31 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-02-13 2018-12-31 13F CAPITAL ONE FINL COM Call 22,200 1,678 n/a n/a n/a
2018-11-09 2018-09-30 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-08-07 2018-06-30 13F CAPITAL ONE FINL COM Call 177,500 -18.95 16,312 -22.27 n/a n/a n/a
2018-05-09 2018-03-31 13F CAPITAL ONE FINL COM Call 219,000 20,985 n/a n/a n/a
2017-11-13 2017-09-30 13F CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-10 2017-06-30 13F CAPITAL ONE FINL COM Call 8,300 -52.02 686 -54.24 n/a n/a n/a
2017-05-11 2017-03-31 13F CAPITAL ONE FINL COM Call 17,300 -89.70 1,499 -89.77 n/a n/a n/a
2017-02-13 2016-12-31 13F CAPITAL ONE FINL COM Call 167,900 26.81 14,648 54.03 n/a n/a n/a
2016-11-15 2016-09-30 13F CAPITAL ONE FINL COM Call 132,400 202.28 9,510 241.84 n/a n/a n/a
2016-08-15 2016-06-30 13F CAPITAL ONE FINL COM Call 43,800 -17.05 2,782 -23.99 n/a n/a n/a
2016-09-14 2016-03-31 13F/A CAPITAL ONE FINL COM Call 52,800 3,660 n/a n/a n/a
2016-09-14 2015-12-31 13F/A CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-09-14 2015-09-30 13F/A CAPITAL ONE FINL COM Call 200 -98.93 15 -99.09 n/a n/a n/a
2015-11-16 2015-09-30 13F CAPITAL ONE FINL COM Call 2 0 n/a n/a n/a
2016-09-14 2015-06-30 13F/A CAPITAL ONE FINL COM Call 18,700 -50.27 1,645 -44.50 n/a n/a n/a
2016-09-14 2015-03-31 13F/A CAPITAL ONE FINL COM Call 37,600 2,964 n/a n/a n/a
2015-05-15 2015-03-31 13F CAPITAL ONE FINL COM Call 376 30 n/a n/a n/a
2016-09-14 2014-12-31 13F/A CAPITAL ONE FINL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-09-14 2014-09-30 13F/A CAPITAL ONE FINL COM Call 53,000 482.42 4,326 475.27 n/a n/a n/a
2014-11-14 2014-09-30 13F CAPITAL ONE FINL COM Call 530 43 n/a n/a n/a
2016-09-14 2014-06-30 13F/A CAPITAL ONE FINL COM Call 9,100 -71.02 752 -68.96 n/a n/a n/a
2016-09-14 2014-03-31 13F/A CAPITAL ONE FINL COM Call 31,400 -11.55 2,423 -10.92 n/a n/a n/a
2016-09-14 2013-12-31 13F/A CAPITAL ONE FINL COM Call 35,500 -21.63 2,720 -12.65 n/a n/a n/a
2016-09-14 2013-09-30 13F/A CAPITAL ONE FINL COM Call 45,300 6.34 3,114 16.37 n/a n/a n/a
2016-09-14 2013-06-30 13F/A CAPITAL ONE FINL COM Call 42,600 -44.39 2,676 -36.42 n/a n/a n/a
2016-09-14 2013-03-31 13F/A CAPITAL ONE FINL COM Call 76,600 120.75 4,209 109.40 n/a n/a n/a
2016-09-14 2012-12-31 13F/A CAPITAL ONE FINL COM Call 34,700 2,010 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F CAPITAL ONE FINANCIAL COM Put 22,100 -50.11 4,032 -62.45 n/a n/a n/a
2026-02-11 2025-12-31 13F CAPITAL ONE FINL COM Put 44,300 10,737 n/a n/a n/a
2025-11-13 2025-09-30 13F CAPITAL ONE FINL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-07-28 2025-06-30 13F CAPITAL ONE FINL COM Put 53,200 0.00 11,319 18.66 n/a n/a n/a
2025-05-15 2025-03-31 13F CAPITAL ONE FINL COM Put 53,200 9,539 n/a n/a n/a
2024-11-13 2024-09-30 13F CAPITAL ONE FINL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-08-13 2024-06-30 13F CAPITAL ONE FINL COM Put 26,800 3,710 n/a n/a n/a
2024-02-14 2023-12-31 13F CAPITAL ONE FINANCIAL PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-11-14 2023-09-30 13F CAPITAL ONE FINANCIAL PUT Put 22,600 -78.88 2,193 -81.26 n/a n/a n/a
2023-08-11 2023-06-30 13F CAPITAL ONE FINANCIAL PUT Put 107,000 -81.16 11,703 -78.57 n/a n/a n/a
2023-05-10 2023-03-31 13F CAPITAL ONE FINANCIAL PUT Put 568,000 98.88 54,619 105.73 n/a n/a n/a
2023-02-13 2022-12-31 13F CAPITAL ONE FINANCIAL PUT Put 285,600 505.08 26,549 510.32 n/a n/a n/a
2022-11-10 2022-09-30 13F CAPITAL ONE FINANCIAL PUT Put 47,200 97.49 4,350 74.70 n/a n/a n/a
2022-08-11 2022-06-30 13F CAPITAL ONE FINANCIAL PUT Put 23,900 -88.65 2,490 -90.99 n/a n/a n/a
2022-05-11 2022-03-31 13F CAPITAL ONE FINANCIAL COM Put 210,500 2.98 27,637 -6.81 n/a n/a n/a
2022-02-10 2021-12-31 13F CAPITAL ONE FINANCIAL COM Put 204,400 219.38 29,656 186.09 n/a n/a n/a
2021-11-12 2021-09-30 13F CAPITAL ONE FINANCIAL COM Put 64,000 10,366 n/a n/a n/a
2021-08-12 2021-06-30 13F CAPITAL ONE FINANCIAL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-17 2021-03-31 13F CAPITAL ONE FINANCIAL COM Put 117,800 -55.09 14,988 -42.19 n/a n/a n/a
2021-02-12 2020-12-31 13F CAPITAL ONE FINANCIAL COM Put 262,300 -29.34 25,928 -2.80 n/a n/a n/a
2020-11-13 2020-09-30 13F CAPITAL ONE FINANCIAL COM Put 371,200 225.61 26,674 273.85 n/a n/a n/a
2020-08-12 2020-06-30 13F CAPITAL ONE FINL COM Put 114,000 7,135 n/a n/a n/a
2020-05-13 2020-03-31 13F CAPITAL ONE FINL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-14 2019-12-31 13F CAPITAL ONE FINL COM Put 479,200 40.04 49,314 58.40 n/a n/a n/a
2019-11-12 2019-09-30 13F CAPITAL ONE FINL COM Put 342,200 31,133 n/a n/a n/a
2018-11-09 2018-09-30 13F CAPITAL ONE FINL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-08-07 2018-06-30 13F CAPITAL ONE FINL COM Put 52,700 0.00 4,843 -4.10 n/a n/a n/a
2018-05-09 2018-03-31 13F CAPITAL ONE FINL COM Put 52,700 5,050 n/a n/a n/a
2017-11-13 2017-09-30 13F CAPITAL ONE FINL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-10 2017-06-30 13F CAPITAL ONE FINL COM Put 39,900 80.54 3,297 72.17 n/a n/a n/a
2017-05-11 2017-03-31 13F CAPITAL ONE FINL COM Put 22,100 -64.92 1,915 -65.16 n/a n/a n/a
2017-02-13 2016-12-31 13F CAPITAL ONE FINL COM Put 63,000 -66.81 5,496 -59.69 n/a n/a n/a
2016-11-15 2016-09-30 13F CAPITAL ONE FINL COM Put 189,800 8.46 13,633 22.67 n/a n/a n/a
2016-08-15 2016-06-30 13F CAPITAL ONE FINL COM Put 175,000 184.55 11,114 160.71 n/a n/a n/a
2016-09-14 2016-03-31 13F/A CAPITAL ONE FINL COM Put 61,500 -37.24 4,263 -39.74 n/a n/a n/a
2016-09-14 2015-12-31 13F/A CAPITAL ONE FINL COM Put 98,000 767.26 7,074 763.74 n/a n/a n/a
2016-02-16 2015-12-31 13F CAPITAL ONE FINL COM Put 980 71 n/a n/a n/a
2016-09-14 2015-09-30 13F/A CAPITAL ONE FINL COM Put 11,300 -65.02 819 -71.17 n/a n/a n/a
2015-11-16 2015-09-30 13F CAPITAL ONE FINL COM Put 113 8 n/a n/a n/a
2016-09-14 2015-06-30 13F/A CAPITAL ONE FINL COM Put 32,300 -41.49 2,841 -34.70 n/a n/a n/a
2016-09-14 2015-03-31 13F/A CAPITAL ONE FINL COM Put 55,200 12.88 4,351 7.78 n/a n/a n/a
2015-05-15 2015-03-31 13F CAPITAL ONE FINL COM Put 552 44 n/a n/a n/a
2016-09-14 2014-12-31 13F/A CAPITAL ONE FINL COM Put 48,900 -39.93 4,037 -39.24 n/a n/a n/a
2015-02-17 2014-12-31 13F CAPITAL ONE FINL COM Put 489 40 n/a n/a n/a
2016-09-14 2014-09-30 13F/A CAPITAL ONE FINL COM Put 81,400 297.07 6,644 292.44 n/a n/a n/a
2014-11-14 2014-09-30 13F CAPITAL ONE FINL COM Put 814 66 n/a n/a n/a
2016-09-14 2014-06-30 13F/A CAPITAL ONE FINL COM Put 20,500 -59.88 1,693 -57.06 n/a n/a n/a
2016-09-14 2014-03-31 13F/A CAPITAL ONE FINL COM Put 51,100 90.67 3,943 92.06 n/a n/a n/a
2016-09-14 2013-12-31 13F/A CAPITAL ONE FINL COM Put 26,800 -61.38 2,053 -56.97 n/a n/a n/a
2016-09-14 2013-09-30 13F/A CAPITAL ONE FINL COM Put 69,400 429.77 4,771 479.71 n/a n/a n/a
2016-09-14 2013-06-30 13F/A CAPITAL ONE FINL COM Put 13,100 -76.35 823 -72.96 n/a n/a n/a
2016-09-14 2013-03-31 13F/A CAPITAL ONE FINL COM Put 55,400 105.19 3,044 94.63 n/a n/a n/a
2016-09-14 2012-12-31 13F/A CAPITAL ONE FINL COM Put 27,000 1,564 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.