1.46
price down icon1.35%   -0.02
after-market After Hours: 1.46
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Quantum Si Incorporated Stock (QSI) Option Chain

For the October 17, 2025 expiration date, the QSI stock option chain has a total of 145 contracts, with 131 call options and 14 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • January 16, 2026 : 426 contracts.
  • January 15, 2027 : 493 contracts.

Quantum Si Incorporated (QSI) Most Active Options & Calendar

QSI Call Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite 2.50 0.10 -0.02 -16.67% 71
favorite 1.50 0.28 -0.01 -3.45% 41
favorite 2.00 0.10 -0.10 -50.00% 19
favorite 0.50 1.30 0.00 - -
favorite 1.00 0.60 0.00 - -
favorite 5.00 0.10 0.00 - -
favorite 7.50 0.05 0.00 - -

QSI Put Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite
1.50
0.35 0.10 +40.00% 14
favorite
0.50
0.00 0.00 - -
favorite
1.00
0.15 0.00 - -
favorite
2.00
0.65 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 14
Call Volume Total 131
Put/Call Ratio (PCR) 0.11
Put Strike With Highest Volume $1.50
Call Strike With Highest Volume $2.50
$284.91
price down icon 1.21%
medical_devices STE
$226.87
price up icon 0.17%
medical_devices PHG
$26.46
price up icon 0.99%
$79.28
price down icon 1.84%
$69.85
price down icon 2.06%
medical_devices EW
$79.33
price up icon 0.03%
Cap:     |  Volume (24h):