Regulatory Shift: How RegSho Changed Short Selling in the Last 20 Years

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Regulatory Shift: How RegSho Changed Short Selling in the Last 20 Years

//stocks-investing.news-articles.net/content/202 .. -changed-short-selling-in-the-last-20-years.html

Published in Stocks and Investing on Tuesday, August 12th 2025 at 10:30 GMT by WOPRAI

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 MSC Industrial Direct Co., Inc. (MSM), 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 MSC Industrial Direct Co., Inc. at $85.49, after crossing above the $85.374 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	74,943	384,800	19.48	84.91	6,363,410
2025-08-08	121,071	397,937	30.42	86.06	10,419,370
2025-08-07	168,578	401,118	42.03	86	14,497,708
2025-08-06	124,759	349,654	35.68	85.57	10,675,628
2025-08-05	139,518	389,359	35.83	85.99	11,997,153
2025-08-04	155,083	414,432	37.42	85.44	13,250,292
2025-08-01	228,856	625,757	36.57	84.93	19,436,740
2025-07-31	281,502	745,341	37.77	86.77	24,425,929
2025-07-30	368,037	811,472	45.35	87.08	32,048,662
2025-07-29	327,144	692,448	47.24	87.32	28,566,214
2025-07-28	221,390	635,384	34.84	87.74	19,424,759
2025-07-25	216,616	451,822	47.94	86.95	18,834,761
2025-07-24	136,495	336,298	40.59	87.15	11,895,539
2025-07-23	260,672	733,904	35.52	87.72	22,866,148
2025-07-22	217,522	677,205	32.12	87.08	18,941,816
2025-07-21	245,585	566,101	43.38	86.39	21,216,088
2025-07-18	283,783	755,598	37.56	87.28	24,768,580
2025-07-17	392,322	1,095,952	35.8	86.89	34,088,859
2025-07-16	285,459	728,422	39.19	86.65	24,735,022
2025-07-15	240,674	723,715	33.26	88.84	21,381,478
2025-07-14	336,681	873,254	38.55	89.94	30,281,089
2025-07-11	370,210	736,694	50.25	90.49	33,500,303
2025-07-10	416,648	1,017,291	40.96	91.86	38,273,285
2025-07-09	336,970	841,151	40.06	90.4	30,462,088
2025-07-08	422,318	1,040,003	40.61	90.95	38,409,822
2025-07-07	362,165	1,240,362	29.2	89.17	32,294,253
2025-07-03	289,523	706,488	40.98	89.94	26,039,699
2025-07-02	607,010	1,453,235	41.77	89.19	54,139,222
2025-07-01	1,515,020	2,756,293	54.97	88.68	134,351,974
2025-06-30	858,447	1,553,200	55.27	85.28	73,208,360
2025-06-27	752,076	1,853,575	40.57	85.21	64,084,396
2025-06-26	480,417	663,274	72.43	84.31	40,503,957
2025-06-25	262,920	493,998	53.22	81.91	21,535,777
2025-06-24	317,828	534,190	59.5	82.16	26,112,748
2025-06-23	250,014	626,666	39.9	81.36	20,341,139
2025-06-20	338,344	1,420,915	23.81	81.14	27,453,232
2025-06-18	297,565	456,735	65.15	82.18	24,453,892

Total	231,044,202	646,359,764	35.75	85.39	19,729,277,940

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