Co-Diagnostics, Inc.

SecurityCODX / Co-Diagnostics, Inc.
InstitutionSimplex Trading, Llc
Simplex Trading, Llc ownership in CODX / Co-Diagnostics, Inc.

Simplex Trading, Llc has a history of taking positions in derivatives of the underlying security (CODX) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 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.

CODX / Co-Diagnostics, Inc. 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 CO-DIAGNOSTICS CALL Call 0 -100.00 0 n/a n/a n/a
2026-02-11 2025-12-31 13F CO-DIAGNOSTICS CALL Call 1,700 -29.17 0 n/a n/a n/a
2025-11-12 2025-09-30 13F CO-DIAGNOSTICS CALL Call 2,400 0 n/a n/a n/a
2025-05-12 2025-03-31 13F CO-DIAGNOSTICS CALL Call 0 -100.00 0 n/a n/a n/a
2025-02-11 2024-12-31 13F CO-DIAGNOSTICS CALL Call 500 0.00 0 n/a n/a n/a
2024-11-08 2024-09-30 13F CO-DIAGNOSTICS CALL Call 500 400.00 0 n/a n/a n/a
2024-07-25 2024-06-30 13F CO-DIAGNOSTICS CALL Call 100 -66.67 0 n/a n/a n/a
2024-04-25 2024-03-31 13F CO-DIAGNOSTICS CALL Call 300 -98.99 0 n/a n/a n/a
2024-02-02 2023-12-31 13F CO-DIAGNOSTICS CALL Call 29,800 -35.91 0 n/a n/a n/a
2023-11-01 2023-09-30 13F CO-DIAGNOSTICS CALL Call 46,500 37.17 0 n/a n/a n/a
2023-08-04 2023-06-30 13F CO-DIAGNOSTICS CALL Call 33,900 -8.13 0 n/a n/a n/a
2023-04-27 2023-03-31 13F CO-DIAGNOSTICS CALL Call 36,900 -9.56 0 n/a n/a n/a
2023-02-02 2022-12-31 13F CO-DIAGNOSTICS CALL Call 40,800 -4.23 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F CO-DIAGNOSTICS CALL Call 42,600 -30.39 136 -60.35 n/a n/a n/a
2022-08-03 2022-06-30 13F CO-DIAGNOSTICS CALL Call 61,200 -38.98 343 -44.59 n/a n/a n/a
2022-05-02 2022-03-31 13F CO-DIAGNOSTICS CALL Call 100,300 36.83 619 -5.35 n/a n/a n/a
2022-02-23 2021-12-31 13F/A CO-DIAGNOSTICS CALL Call 73,300 104.75 654 120.20 n/a n/a n/a
2022-02-04 2021-12-31 13F CO-DIAGNOSTICS CALL Call 35,800 297 n/a n/a n/a
2021-10-28 2021-09-30 13F CO-DIAGNOSTICS CALL Call 35,800 4.07 297 4.95 n/a n/a n/a
2021-08-12 2021-06-30 13F CO-DIAGNOSTICS CALL Call 34,400 8,393.83 283 -26.68 n/a n/a n/a
2021-04-26 2021-03-31 13F CO-DIAGNOSTICS CALL Call 405 -21.36 386 36.40 n/a n/a n/a
2021-02-02 2020-12-31 13F CO-DIAGNOSTICS CALL Call 515 -52.23 0 -100.00 n/a n/a n/a
2020-10-14 2020-09-30 13F CO-DIAGNOSTICS CALL Call 1,078 11.59 1,465 -21.62 n/a n/a n/a
2020-07-13 2020-06-30 13F CO-DIAGNOSTICS CALL Call 966 23.21 1,869 213.07 n/a n/a n/a
2020-04-29 2020-03-31 13F CO DIAGNOSTICS CALL Call 784 597 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 CO-DIAGNOSTICS PUT Put 0 -100.00 0 n/a n/a n/a
2026-02-11 2025-12-31 13F CO-DIAGNOSTICS PUT Put 1,000 0 n/a n/a n/a
2025-08-05 2025-06-30 13F CO-DIAGNOSTICS PUT Put 0 -100.00 0 n/a n/a n/a
2025-05-12 2025-03-31 13F CO-DIAGNOSTICS PUT Put 100 -99.76 0 n/a n/a n/a
2025-02-11 2024-12-31 13F CO-DIAGNOSTICS PUT Put 42,000 1,809.09 0 n/a n/a n/a
2024-11-08 2024-09-30 13F CO-DIAGNOSTICS PUT Put 2,200 -21.43 0 n/a n/a n/a
2024-07-25 2024-06-30 13F CO-DIAGNOSTICS PUT Put 2,800 0 n/a n/a n/a
2023-08-04 2023-06-30 13F CO-DIAGNOSTICS PUT Put 0 -100.00 0 n/a n/a n/a
2023-04-27 2023-03-31 13F CO-DIAGNOSTICS PUT Put 3,500 -94.93 0 n/a n/a n/a
2023-02-02 2022-12-31 13F CO-DIAGNOSTICS PUT Put 69,100 -0.14 0 -100.00 n/a n/a n/a
2022-11-04 2022-09-30 13F CO-DIAGNOSTICS PUT Put 69,200 -19.16 222 -53.75 n/a n/a n/a
2022-08-03 2022-06-30 13F CO-DIAGNOSTICS PUT Put 85,600 -8.06 480 -16.52 n/a n/a n/a
2022-05-02 2022-03-31 13F CO-DIAGNOSTICS PUT Put 93,100 -4.90 575 -34.21 n/a n/a n/a
2022-02-23 2021-12-31 13F/A CO-DIAGNOSTICS PUT Put 97,900 -16.89 874 -10.63 n/a n/a n/a
2022-02-04 2021-12-31 13F CO-DIAGNOSTICS PUT Put 117,800 978 n/a n/a n/a
2021-10-28 2021-09-30 13F CO-DIAGNOSTICS PUT Put 117,800 4.06 978 4.82 n/a n/a n/a
2021-08-12 2021-06-30 13F CO-DIAGNOSTICS PUT Put 113,200 10,816.10 933 -5.66 n/a n/a n/a
2021-04-26 2021-03-31 13F CO-DIAGNOSTICS PUT Put 1,037 10.91 989 6.00 n/a n/a n/a
2021-02-02 2020-12-31 13F CO-DIAGNOSTICS PUT Put 935 24.67 0 -100.00 n/a n/a n/a
2020-10-14 2020-09-30 13F CO-DIAGNOSTICS PUT Put 750 44.51 1,019 1.49 n/a n/a n/a
2020-07-13 2020-06-30 13F CO-DIAGNOSTICS PUT Put 519 51.31 1,004 284.67 n/a n/a n/a
2020-04-29 2020-03-31 13F CO DIAGNOSTICS PUT Put 343 261 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.