Short squeeze is starting in shares of PTCT at $40.795, after crossing above the $40.049 Trigger Price

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 PTC Therapeutics, Inc. (PTCT), 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 PTC Therapeutics, Inc. at $40.795, after crossing above the $40.049 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
2025-05-06	1,246,560	4,165,114	29.93	37.65	46,932,984
2025-05-02	348,282	861,843	40.41	49.97	17,403,652
2025-05-01	238,873	1,132,967	21.08	49.51	11,826,602
2025-04-30	432,770	1,041,163	41.57	49.81	21,556,274
2025-04-29	142,718	557,626	25.59	49.62	7,081,667
2025-04-28	188,999	762,802	24.78	49.74	9,400,810
2025-04-25	226,007	592,605	38.14	49.58	11,205,427
2025-04-24	252,937	801,668	31.55	49.47	12,512,793
2025-04-23	328,939	672,432	48.92	49.89	16,410,767
2025-04-22	351,270	880,368	39.9	48.35	16,983,905
2025-04-21	331,563	1,050,752	31.55	48.19	15,978,021
2025-04-17	584,982	1,036,397	56.44	47.23	27,628,700
2025-04-16	386,483	707,887	54.6	45.88	17,731,840
2025-04-15	764,833	1,460,454	52.37	46.99	35,939,503
2025-04-14	361,070	958,035	37.69	44.86	16,197,600
2025-04-11	456,062	1,488,199	30.65	42.27	19,277,741
2025-04-10	342,752	839,617	40.82	40.24	13,792,340
2025-04-09	495,605	1,586,431	31.24	41.38	20,508,135
2025-04-08	690,129	1,774,655	38.89	40.27	27,791,495
2025-04-07	425,213	1,213,209	35.05	42.57	18,101,317
2025-04-04	580,612	1,308,287	44.38	43.91	25,494,673
2025-04-03	276,043	754,691	36.58	46.74	12,902,250
2025-04-02	301,200	967,683	31.13	48.13	14,496,756
2025-04-01	776,452	2,883,652	26.93	47.98	37,254,167
2025-03-31	718,220	1,897,738	37.85	49.79	35,760,174
2025-03-28	255,572	604,637	42.27	54.15	13,839,224
2025-03-27	179,402	402,784	44.54	55.19	9,901,196
2025-03-26	172,953	613,065	28.21	55.24	9,553,924
2025-03-25	516,739	1,176,263	43.93	56.29	29,087,238
2025-03-24	513,734	994,083	51.68	57.06	29,313,662
2025-03-21	381,425	1,004,297	37.98	56.93	21,714,525
2025-03-20	118,302	455,973	25.94	56.65	6,701,808
2025-03-19	130,242	640,126	20.35	56.83	7,401,653
2025-03-18	157,440	605,430	26	55.58	8,750,515
2025-03-17	246,354	826,938	29.79	56.62	13,948,563
2025-03-14	267,158	852,374	31.34	54.57	14,578,812
2025-03-13	173,167	571,605	30.29	53.14	9,202,094

Total	368,663,645	895,215,753	41.18	40.03	14,756,879,825

* Totals include all data records back to 2020-05-08 00:00:00, data set is truncated for viewing.

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Short squeeze is starting in shares of PTCT at $40.795, after crossing above the $40.049 Trigger Price