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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 136 contracts, with 105 call options and 31 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • January 16, 2026 : 294 contracts.
  • January 15, 2027 : 388 contracts.

Quantum Si Incorporated (QSI) Most Active Options & Calendar

QSI Call Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite 1.50 0.06 -0.02 -25.00% 88
favorite 2.00 0.03 0.00 - 11
favorite 2.50 0.03 -0.02 -40.00% 5
favorite 1.00 0.28 0.07 +33.33% 1
favorite 0.50 0.70 0.00 - -
favorite 5.00 0.04 0.00 - -
favorite 7.50 0.05 0.00 - -

QSI Put Options Expiring October 17, 2025

Strike Price Change % Change Volume
favorite
1.00
0.06 -0.04 -40.00% 31
favorite
0.50
0.00 0.00 - -
favorite
1.50
0.42 0.00 - -
favorite
2.00
0.88 0.00 - -
favorite
2.50
1.45 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 31
Call Volume Total 105
Put/Call Ratio (PCR) 0.30
Put Strike With Highest Volume $1.00
Call Strike With Highest Volume $1.50
$341.78
price up icon 1.14%
medical_devices STE
$249.88
price down icon 1.01%
medical_devices PHG
$28.20
price down icon 1.47%
$76.22
price up icon 0.29%
$76.44
price down icon 1.95%
medical_devices EW
$77.57
price down icon 0.56%
Cap:     |  Volume (24h):