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Short squeeze is starting in shares of MASI at $156.49, after crossing above the $155.561 Trigger Price


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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 Masimo Corporation (MASI), 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 Masimo Corporation at $156.49, after crossing above the $155.561 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.

DateShort VolumeTotal VolumePercentageSqueeze Trigger$ Value
2025-05-28297,199569,38152.2155.7846,297,660
2025-05-27346,931690,59850.24156.3254,232,254
2025-05-23154,380310,17749.77149.723,110,686
2025-05-22299,197506,56659.06149.7544,804,751
2025-05-21355,144811,15443.78150.8353,566,370
2025-05-20280,402517,15654.22155.5643,619,335
2025-05-19233,029446,99752.13154.3435,965,696
2025-05-16291,442537,62054.21154.8545,129,794
2025-05-15336,802745,26445.19154.1551,918,028
2025-05-14544,5291,046,27852.04153.8383,764,896
2025-05-13236,263529,85944.59162.9638,501,418
2025-05-12265,273614,49843.17163.4443,356,219
2025-05-09998,6921,594,61062.63156.96156,754,696
2025-05-08408,098905,89745.05155.3463,393,943
2025-05-07904,0661,804,12450.11150.35135,926,323
2025-05-06325,685854,00638.14161.4752,588,357
2025-05-05242,633519,35346.72162.5739,444,847
2025-05-02234,960511,61745.92166.6439,153,734
2025-05-01153,958385,25239.96163.1625,119,787
2025-04-30138,300347,32139.82160.5122,198,533
2025-04-29124,848336,86937.06163.2620,382,684
2025-04-28161,153349,66346.09163.4126,334,012
2025-04-25122,509324,23837.78163.2119,994,694
2025-04-24320,166669,93547.7916251,866,892
2025-04-23276,314464,62359.47160.2444,276,555
2025-04-22141,685470,96230.08151.9221,524,785
2025-04-21131,596342,83738.38148.2719,511,739
2025-04-17150,107457,04232.84151.9922,814,763
2025-04-16117,196347,70833.71151.717,778,633
2025-04-15134,745315,17942.75152.5720,558,045
2025-04-14245,390720,75834.05153.8137,743,436
2025-04-11330,832728,73145.4153.550,782,712
2025-04-10505,6721,091,97246.31152.977,317,249
2025-04-09762,1611,454,73952.39157.31119,895,547
2025-04-08402,971717,03556.2150.9160,812,354
2025-04-07530,7651,111,11947.77147.4178,240,069
2025-04-04338,6991,158,81029.23144.9349,087,646
 
Total273,103,108721,020,25537.88155.2342,393,739,627
 
* Totals include all data records back to 2020-06-08 00:00:00, data set is truncated for viewing.

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