RegSho Era Sparks Unprecedented Scrutiny of Short Selling Practices

Published in Stocks and Investing on Tuesday, August 12th 2025 at 15:00 GMT by WOPRAI
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In the past 20 years (since 2005 with the introduction of RegSho), short selling has come under scrutiny as millions of retail investors have discovered what we have been highlighting since early 2005. Market makers abuse the “market maker’s exemption” and short excessive amounts of shares in your stock without locating, borrowing, paying the rebate or the interest rate to borrow. They are required to cover on the same trading day, and our data proves they do not.

The chart below shows “Daily Short Volume” in CASI Pharmaceuticals, Inc. (CASI), and includes both EXEMPT (market makers) and NON-EXEMPT (everyone else) short sales. We consolidate the tape of all 14 US stock exchanges and purchase the “sell short” trade identifier data directly from the exchanges on a daily basis. This complete view of the trading in your stock shows a vastly different picture than “Total Short Interest”, which only includes non-exempt short sales that have not been covered by the twice per month reporting date. Unfortunately, this misses the majority of the short selling.

This indicates that a Short Squeeze may be starting in shares of CASI Pharmaceuticals, Inc. at $1.835, after crossing above the $1.818 Trigger Price. This could signal a buying opportunity, given the right market conditions.

You can find the full report at [ https://www.woprai.com/ ]

Please find the applicable data below, drawn from all major market providers.

Date	Short Volume	Total Volume	Percentage	Squeeze Trigger	$ Value
2025-08-11	107,369	217,281	49.41	1.73	185,748
2025-08-08	109,864	230,166	47.73	1.63	179,078
2025-08-07	80,247	296,851	27.03	1.56	125,185
2025-08-06	201,088	465,884	43.16	1.79	359,948
2025-08-05	662,423	1,398,795	47.36	1.94	1,285,101
2025-08-04	35,591,298	62,093,861	57.32	2.09	74,385,813
2025-08-01	1,289	13,166	9.79	1.28	1,650
2025-07-31	13,625	68,069	20.02	1.38	18,803
2025-07-30	10,277	25,290	40.64	1.54	15,827
2025-07-29	21,625	85,955	25.16	1.66	35,898
2025-07-28	8,698	44,927	19.36	1.57	13,656
2025-07-25	7,759	70,014	11.08	1.48	11,483
2025-07-24	10,441	77,467	13.48	1.39	14,513
2025-07-23	32,186	143,140	22.49	1.32	42,486
2025-07-22	4,428	747,192	0.59	1.26	5,579
2025-07-21	4,254	14,538	29.26	1.26	5,360
2025-07-18	2,293	15,904	14.42	1.28	2,935
2025-07-17	12,177	57,443	21.2	1.28	15,587
2025-07-16	5,036	17,727	28.41	1.29	6,496
2025-07-15	6,101	12,174	50.11	1.36	8,297
2025-07-14	6,140	18,614	32.99	1.39	8,535
2025-07-11	4,522	20,932	21.6	1.38	6,240
2025-07-10	2,384	18,438	12.93	1.4	3,338
2025-07-09	1,421	22,422	6.34	1.41	2,004
2025-07-08	29,479	73,082	40.34	1.37	40,386
2025-07-07	3,196	21,731	14.71	1.29	4,123
2025-07-03	4,328	12,340	35.07	1.33	5,756
2025-07-02	25,581	72,478	35.29	1.38	35,302
2025-07-01	5,558	23,693	23.46	1.26	7,003
2025-06-30	34,593	126,642	27.32	1.16	40,128
2025-06-27	9,708	29,698	32.69	1.24	12,038
2025-06-26	3,471	29,545	11.75	1.28	4,443
2025-06-25	7,637	27,375	27.9	1.3	9,928
2025-06-24	13,224	49,326	26.81	1.33	17,588
2025-06-23	18,713	99,337	18.84	1.25	23,391
2025-06-20	15,371	87,971	17.47	1.35	20,751
2025-06-18	51,954	237,709	21.86	1.42	73,775

Total	269,500,110	597,458,861	45.11	1.82	489,852,515

* Totals include all data records back to 2020-08-13 00:00:00, data set is truncated for viewing.

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RegSho Era Sparks Unprecedented Scrutiny of Short Selling Practices