Regulatory Scrutiny of Short Selling Grows Since 2005 with RegSho Implementation

Published in Stocks and Investing on Tuesday, August 12th 2025 at 10:30 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 GSK plc (GSK), 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 GSK plc at $38.14, after crossing above the $37.831 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	915,242	2,895,921	31.6	37.86	34,651,062
2025-08-08	1,461,786	3,671,278	39.82	37.82	55,284,747
2025-08-07	2,018,343	4,009,111	50.34	37.5	75,687,863
2025-08-06	2,014,135	3,117,723	64.6	36.92	74,361,864
2025-08-05	2,172,448	3,578,143	60.71	37.35	81,140,933
2025-08-04	1,933,462	3,537,238	54.66	37.44	72,388,817
2025-08-01	2,106,503	3,921,079	53.72	37.46	78,909,602
2025-07-31	5,251,897	8,233,052	63.79	37.73	198,154,074
2025-07-30	4,561,727	7,827,962	58.27	38.9	177,451,180
2025-07-29	4,104,062	6,669,236	61.54	37.64	154,476,894
2025-07-28	2,177,330	4,243,034	51.32	37.62	81,911,155
2025-07-25	2,671,231	4,303,564	62.07	37.78	100,919,107
2025-07-24	2,450,698	4,729,352	51.82	38.05	93,249,059
2025-07-23	7,168,643	13,987,783	51.25	37.98	272,265,061
2025-07-22	1,908,466	5,520,556	34.57	36.76	70,155,210
2025-07-21	1,717,989	3,547,985	48.42	36.34	62,431,720
2025-07-18	3,301,286	6,688,171	49.36	36.46	120,364,888
2025-07-17	8,136,004	15,240,705	53.38	36.69	298,509,987
2025-07-16	2,618,256	6,243,879	41.93	38.3	100,279,205
2025-07-15	3,708,067	8,793,675	42.17	37.95	140,721,143
2025-07-14	1,892,100	5,138,001	36.83	38.44	72,732,324
2025-07-11	2,739,841	6,636,346	41.29	38.36	105,100,301
2025-07-10	3,032,685	6,087,137	49.82	39.71	120,427,921
2025-07-09	2,160,481	3,819,280	56.57	38.98	84,215,549
2025-07-08	2,681,351	5,449,202	49.21	38.43	103,044,319
2025-07-07	1,952,598	4,033,015	48.42	38.22	74,628,296
2025-07-03	1,449,080	3,000,720	48.29	38.28	55,470,782
2025-07-02	2,870,938	5,183,601	55.39	38.56	110,703,369
2025-07-01	3,723,826	6,553,727	56.82	38.89	144,819,593
2025-06-30	2,274,348	5,186,091	43.85	38.42	87,380,450
2025-06-27	2,637,358	5,147,306	51.24	38.61	101,828,392
2025-06-26	3,053,271	4,771,567	63.99	38.56	117,734,130
2025-06-25	2,338,494	3,824,981	61.14	38.3	89,564,320
2025-06-24	2,735,979	4,813,338	56.84	38.71	105,909,747
2025-06-23	2,526,185	5,211,434	48.47	38.14	96,348,696
2025-06-20	3,810,621	9,652,690	39.48	38.08	145,108,448
2025-06-18	5,083,838	8,093,106	62.82	38.97	198,117,167

Total	2,237,930,090	5,901,817,547	37.92	37.83	84,657,249,926

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

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Regulatory Scrutiny of Short Selling Grows Since 2005 with RegSho Implementation