Arch Capital Group Ltd.
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DETTE SYMBOL ER IKKE LÆNGERE AKTIVT

SecurityARH.PRC / Arch Capital Group Ltd.
InstitutionSimplex Trading, Llc
Simplex Trading, Llc ownership in ARH.PRC / Arch Capital Group Ltd.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (ARH.PRC) in the form of stock options. The firm currently holds call options representing 4,200 of underlying shares valued at $403,158 USD and put options representing 8,000 of underlying shares valued at $767,920 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 Put/Call Ratios
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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.

ARH.PRC / Arch Capital Group Ltd. Historical Put/Call Ratio
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 ARCH CAP GROUP CALL Call 4,200 425.00 403 430.26 n/a n/a n/a
2026-02-11 2025-12-31 13F ARCH CAP GROUP CALL Call 800 -93.85 77 7,500.00 n/a n/a n/a
2025-11-12 2025-09-30 13F ARCH CAP GROUP CALL Call 13,000 -4.41 1 0.00 n/a n/a n/a
2025-08-05 2025-06-30 13F ARCH CAP GROUP CALL Call 13,600 24.77 1 0.00 n/a n/a n/a
2025-05-12 2025-03-31 13F ARCH CAP GROUP CALL Call 10,900 37.97 1 n/a n/a n/a
2025-02-11 2024-12-31 13F ARCH CAP GROUP CALL Call 7,900 -17.71 1 -100.00 n/a n/a n/a
2024-11-08 2024-09-30 13F ARCH CAP GROUP CALL Call 9,600 74.55 1 n/a n/a n/a
2024-07-25 2024-06-30 13F ARCH CAP GROUP CALL Call 5,500 -59.56 1 -100.00 n/a n/a n/a
2024-04-25 2024-03-31 13F ARCH CAP GROUP CALL Call 13,600 338.71 1 n/a n/a n/a
2024-02-02 2023-12-31 13F ARCH CAP GROUP CALL Call 3,100 -83.77 0 -100.00 n/a n/a n/a
2023-11-01 2023-09-30 13F ARCH CAP GROUP CALL Call 19,100 1,023.53 2 n/a n/a n/a
2023-08-04 2023-06-30 13F ARCH CAP GROUP CALL Call 1,700 -82.83 0 n/a n/a n/a
2023-04-27 2023-03-31 13F ARCH CAP GROUP CALL Call 9,900 5.32 1 n/a n/a n/a
2023-02-02 2022-12-31 13F ARCH CAP GROUP CALL Call 9,400 51.61 1 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F ARCH CAP GROUP CALL Call 6,200 -24.39 282 -24.40 n/a n/a n/a
2022-08-03 2022-06-30 13F ARCH CAP GROUP CALL Call 8,200 -76.16 373 -77.60 n/a n/a n/a
2022-05-02 2022-03-31 13F ARCH CAP GROUP CALL Call 34,400 218.52 1,665 246.88 n/a n/a n/a
2022-02-23 2021-12-31 13F/A ARCH CAP GROUP CALL Call 10,800 100.00 480 123.26 n/a n/a n/a
2022-02-04 2021-12-31 13F ARCH CAP GROUP CALL Call 5,400 215 n/a n/a n/a
2021-10-28 2021-09-30 13F ARCH CAP GROUP CALL Call 5,400 0.00 215 2.38 n/a n/a n/a
2021-08-12 2021-06-30 13F ARCH CAP GROUP CALL Call 5,400 5,092.31 210 -47.37 n/a n/a n/a
2021-04-26 2021-03-31 13F ARCH CAP GROUP CALL Call 104 -75.30 399 -73.72 n/a n/a n/a
2021-02-02 2020-12-31 13F ARCH CAP GROUP CALL Call 421 5,914.29 1,518 7,490.00 n/a n/a n/a
2020-10-14 2020-09-30 13F ARCH CAP GROUP CALL Call 7 -65.00 20 -64.91 n/a n/a n/a
2020-07-13 2020-06-30 13F ARCH CAP GROUP CALL Call 20 -52.38 57 -52.10 n/a n/a n/a
2020-04-29 2020-03-31 13F ARCH CAP GROUP CALL Call 42 162.50 119 75.00 n/a n/a n/a
2020-02-05 2019-12-31 13F ARCH CAP GROUP CALL Call 16 -63.64 68 -63.04 n/a n/a n/a
2019-10-15 2019-09-30 13F ARCH CAP GROUP CALL Call 44 528.57 184 636.00 n/a n/a n/a
2019-07-26 2019-06-30 13F ARCH CAP GROUP CALL Call 7 -84.09 25 -86.41 n/a n/a n/a
2019-04-18 2019-03-31 13F ARCH CAP GROUP CALL Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-01-16 2018-12-31 13F ARCH CAP GROUP CALL Call 1 -99.68 2 -99.79 n/a n/a n/a
2018-10-23 2018-09-30 13F ARCH CAP GROUP CALL Call 316 31.67 941 48.19 n/a n/a n/a
2018-07-30 2018-06-30 13F ARCH CAP GROUP CALL Call 240 50.94 635 1,948.39 n/a n/a n/a
2018-04-26 2018-03-31 13F ARCH CAP GROUP CALL Call 159 5,200.00 31 -95.12 n/a n/a n/a
2018-01-10 2017-12-31 13F ARCH CAP GROUP CALL Call 3 -98.11 0 -100.00 n/a n/a n/a
2017-04-21 2017-03-31 13F ARCH CAP GROUP CALL Call 0 -100.00 0 n/a n/a n/a
2017-01-11 2016-12-31 13F ARCH CAP GROUP CALL Call 1 0 n/a n/a n/a
2016-07-18 2016-06-30 13F ARCH CAP GROUP CALL Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-04-14 2016-03-31 13F ARCH CAP GROUP CALL Call 38 137.50 3 50.00 n/a n/a n/a
2016-01-20 2015-12-31 13F ARCH CAP GROUP CALL Call 16 1,500.00 2 -33.33 n/a n/a n/a
2015-10-08 2015-09-30 13F ARCH CAP GROUP CALL Call 1 -93.75 0 -100.00 n/a n/a n/a
2015-04-21 2015-03-31 13F ARCH CAP GROUP CALL Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-03-04 2014-12-31 13F ARCH CAP GROUP CALL Call 5 1 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 ARCH CAP GROUP PUT Put 8,000 -61.35 768 -61.36 n/a n/a n/a
2026-02-11 2025-12-31 13F ARCH CAP GROUP PUT Put 20,700 132.58 1,986 n/a n/a n/a
2025-11-12 2025-09-30 13F ARCH CAP GROUP PUT Put 8,900 323.81 1 n/a n/a n/a
2025-08-05 2025-06-30 13F ARCH CAP GROUP PUT Put 2,100 10.53 0 n/a n/a n/a
2025-05-12 2025-03-31 13F ARCH CAP GROUP PUT Put 1,900 -62.75 0 n/a n/a n/a
2025-02-11 2024-12-31 13F ARCH CAP GROUP PUT Put 5,100 -28.17 0 n/a n/a n/a
2024-11-08 2024-09-30 13F ARCH CAP GROUP PUT Put 7,100 222.73 1 n/a n/a n/a
2024-07-25 2024-06-30 13F ARCH CAP GROUP PUT Put 2,200 -60.00 0 n/a n/a n/a
2024-04-25 2024-03-31 13F ARCH CAP GROUP PUT Put 5,500 685.71 1 n/a n/a n/a
2024-02-02 2023-12-31 13F ARCH CAP GROUP PUT Put 700 -94.07 0 n/a n/a n/a
2023-11-01 2023-09-30 13F ARCH CAP GROUP PUT Put 11,800 555.56 1 n/a n/a n/a
2023-08-04 2023-06-30 13F ARCH CAP GROUP PUT Put 1,800 -73.53 0 n/a n/a n/a
2023-04-27 2023-03-31 13F ARCH CAP GROUP PUT Put 6,800 655.56 0 n/a n/a n/a
2023-02-02 2022-12-31 13F ARCH CAP GROUP PUT Put 900 -87.67 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F ARCH CAP GROUP PUT Put 7,300 55.32 332 55.87 n/a n/a n/a
2022-08-03 2022-06-30 13F ARCH CAP GROUP PUT Put 4,700 -14.55 213 -19.92 n/a n/a n/a
2022-05-02 2022-03-31 13F ARCH CAP GROUP PUT Put 5,500 -38.89 266 -33.50 n/a n/a n/a
2022-02-23 2021-12-31 13F/A ARCH CAP GROUP PUT Put 9,000 233.33 400 273.83 n/a n/a n/a
2022-02-04 2021-12-31 13F ARCH CAP GROUP PUT Put 2,700 107 n/a n/a n/a
2021-10-28 2021-09-30 13F ARCH CAP GROUP PUT Put 2,700 -3.57 107 -1.83 n/a n/a n/a
2021-08-12 2021-06-30 13F ARCH CAP GROUP PUT Put 2,800 3,957.97 109 -58.71 n/a n/a n/a
2021-04-26 2021-03-31 13F ARCH CAP GROUP PUT Put 69 -38.94 264 -35.14 n/a n/a n/a
2021-02-02 2020-12-31 13F ARCH CAP GROUP PUT Put 113 -15.67 407 4.09 n/a n/a n/a
2020-10-14 2020-09-30 13F ARCH CAP GROUP PUT Put 134 12.61 391 15.00 n/a n/a n/a
2020-07-13 2020-06-30 13F ARCH CAP GROUP PUT Put 119 2,875.00 340 2,990.91 n/a n/a n/a
2020-04-29 2020-03-31 13F ARCH CAP GROUP PUT Put 4 -93.75 11 -95.99 n/a n/a n/a
2020-02-05 2019-12-31 13F ARCH CAP GROUP PUT Put 64 1,500.00 274 2,390.91 n/a n/a n/a
2019-10-15 2019-09-30 13F ARCH CAP GROUP PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-07-26 2019-06-30 13F ARCH CAP GROUP PUT Put 4 14 n/a n/a n/a
2019-01-16 2018-12-31 13F ARCH CAP GROUP PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-10-23 2018-09-30 13F ARCH CAP GROUP PUT Put 165 -77.46 491 -74.64 n/a n/a n/a
2018-07-30 2018-06-30 13F ARCH CAP GROUP PUT Put 732 188.19 1,936 5,431.43 n/a n/a n/a
2018-04-26 2018-03-31 13F ARCH CAP GROUP PUT Put 254 25,300.00 35 -98.19 n/a n/a n/a
2018-01-10 2017-12-31 13F ARCH CAP GROUP PUT Put 1 -99.61 0 -100.00 n/a n/a n/a
2017-10-25 2017-09-30 13F ARCH CAP GROUP PUT Put 0 -100.00 0 n/a n/a n/a
2017-07-12 2017-06-30 13F ARCH CAP GROUP PUT Put 7 -56.25 0 -100.00 n/a n/a n/a
2017-04-21 2017-03-31 13F ARCH CAP GROUP PUT Put 16 128.57 1 n/a n/a n/a
2016-10-07 2016-09-30 13F ARCH CAP GROUP PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-07-18 2016-06-30 13F ARCH CAP GROUP PUT Put 13 1,200.00 0 n/a n/a n/a
2016-04-14 2016-03-31 13F ARCH CAP GROUP PUT Put 1 -95.00 0 -100.00 n/a n/a n/a
2016-01-20 2015-12-31 13F ARCH CAP GROUP PUT Put 20 1,900.00 49 n/a n/a n/a
2015-07-08 2015-06-30 13F ARCH CAP GROUP PUT Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-04-21 2015-03-31 13F ARCH CAP GROUP PUT Put 30 0.00 4 33.33 n/a n/a n/a
2015-03-04 2014-12-31 13F ARCH CAP GROUP PUT Put 30 3 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.