RegSho's 20-Year Impact: Market Makers Skirting Short Sale Rules

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RegSho's 20-Year Impact: Market Makers Skirting Short Sale Rules

//stocks-investing.news-articles.net/content/202 .. act-market-makers-skirting-short-sale-rules.html

Published in Stocks and Investing on Tuesday, August 12th 2025 at 11:00 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 Amkor Technology, Inc. (AMKR), 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 Amkor Technology, Inc. at $24.02, after crossing above the $24.005 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	1,122,078	2,265,982	49.52	23.32	26,166,859
2025-08-08	825,884	2,265,799	36.45	22.97	18,970,555
2025-08-07	1,292,969	3,105,285	41.64	22.78	29,453,834
2025-08-06	993,326	2,450,244	40.54	22.26	22,111,437
2025-08-05	719,960	1,835,357	39.23	22.21	15,990,312
2025-08-04	1,099,683	2,506,572	43.87	22.2	24,412,963
2025-08-01	898,378	2,106,422	42.65	21.81	19,593,624
2025-07-31	1,441,583	3,282,583	43.92	22.99	33,141,993
2025-07-30	1,883,272	4,780,404	39.4	23.89	44,991,368
2025-07-29	3,554,259	9,268,246	38.35	25.39	90,242,636
2025-07-28	1,559,320	3,809,585	40.93	21.21	33,073,177
2025-07-25	558,020	1,226,441	45.5	21.12	11,785,382
2025-07-24	698,688	1,393,116	50.15	21.18	14,798,212
2025-07-23	485,822	1,223,752	39.7	21.46	10,425,740
2025-07-22	682,480	1,545,595	44.16	21.53	14,693,794
2025-07-21	858,419	1,723,711	49.8	21.92	18,816,544
2025-07-18	486,646	1,085,469	44.83	21.51	10,467,755
2025-07-17	704,010	1,428,291	49.29	21.54	15,164,375
2025-07-16	996,909	2,014,250	49.49	21.1	21,034,780
2025-07-15	1,036,226	2,194,680	47.22	21.67	22,455,017
2025-07-14	645,001	1,405,842	45.88	21.31	13,744,971
2025-07-11	524,649	1,231,486	42.6	21.84	11,458,334
2025-07-10	350,586	1,318,878	26.58	21.95	7,695,363
2025-07-09	537,537	1,175,080	45.74	22.06	11,858,066
2025-07-08	647,873	1,590,588	40.73	22.14	14,343,908
2025-07-07	735,754	1,543,220	47.68	21.68	15,951,147
2025-07-03	396,156	784,596	50.49	22.22	8,802,586
2025-07-02	702,413	1,779,944	39.46	22.15	15,558,448
2025-07-01	769,690	1,991,024	38.66	21.44	16,502,154
2025-06-30	593,243	1,541,719	38.48	21.02	12,469,968
2025-06-27	1,010,070	2,321,783	43.5	21.16	21,373,081
2025-06-26	677,259	1,574,107	43.02	21.14	14,317,255
2025-06-25	818,468	1,613,136	50.74	21.04	17,220,567
2025-06-24	692,500	1,616,456	42.84	20.96	14,514,800
2025-06-23	716,509	1,643,106	43.61	20.22	14,487,812
2025-06-20	877,058	2,286,733	38.35	20.18	17,699,030
2025-06-18	747,807	1,918,277	38.98	20.36	15,225,351

Total	636,499,333	1,595,992,314	39.88	24.01	15,283,433,620

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