0.9751
price down icon6.24%   -0.0649
after-market After Hours: .99 0.0149 +1.53%
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Quantum Si Incorporated Stock (QSI) Option Chain

For the February 20, 2026 expiration date, the QSI stock option chain has a total of 753 contracts, with 44 call options and 709 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • February 27, 2026 : 8 contracts.
  • March 06, 2026 : 6 contracts.
  • March 13, 2026 : 16 contracts.
  • March 20, 2026 : 1 contracts.
  • March 27, 2026 : 4 contracts.

Quantum Si Incorporated (QSI) Most Active Options & Calendar

QSI Call Options Expiring February 20, 2026

Strike Price Change % Change Volume
favorite 1.00 0.06 -0.04 -40.00% 27
favorite 1.50 0.03 -0.01 -25.00% 17
favorite 0.50 0.84 0.00 - -
favorite 2.00 0.05 0.00 - -
favorite 2.50 0.05 0.00 - -
favorite 5.00 0.00 0.00 - -
favorite 7.50 0.05 0.00 - -

QSI Put Options Expiring February 20, 2026

Strike Price Change % Change Volume
favorite
1.00
0.10 0.05 +100.00% 709
favorite
0.50
0.00 0.00 - -
favorite
1.50
0.00 0.00 - -
favorite
2.00
0.80 0.00 - -
favorite
2.50
0.00 0.00 - -
favorite
5.00
0.00 0.00 - -
favorite
7.50
0.00 0.00 - -

Quantum Si Incorporated Stock (QSI) Option Chain Analysis

Put Volume Total 709
Call Volume Total 44
Put/Call Ratio (PCR) 16.11
Put Strike With Highest Volume $1.00
Call Strike With Highest Volume $1.00
medical_devices ZBH
$95.18
price down icon 0.45%
medical_devices STE
$244.22
price up icon 0.31%
$65.08
price down icon 4.50%
medical_devices PHG
$31.41
price down icon 2.06%
$78.65
price down icon 0.69%
medical_devices EW
$76.44
price down icon 3.64%
Cap:     |  Volume (24h):