• LAST PRICE
    0.1811
  • TODAY'S CHANGE (%)
    Trending Down-0.0045 (-2.4246%)
  • Bid / Lots
    0.1756/ 3
  • Ask / Lots
    0.1811/ 20
  • Open / Previous Close
    0.1900 / 0.1856
  • Day Range
    Low 0.1755
    High 0.1900
  • 52 Week Range
    Low 0.0853
    High 3.5900
  • Volume
    147,774
    below average

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Research and trade options using real-time option chain quotes delivered directly from the Canadian and U.S. option exchanges. Our Analytics feature lets you conduct more detailed analysis. For example, you can get nominal Greek calculations for an option, to measure theoretical change in the option's value based on sensitivity to key risks (includes delta, gamma, theta, vega and rho).

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MOST ACTIVE OPTION CONTRACTS (based on today's highest volume)

Option Chain

  • Call Options (expires Friday December 20, 2024)

  • Put Options (expires Friday December 20, 2024)

SymbolBidAskLastChangeVolumeOpen InterestStrike PriceSymbolBidAskLastChangeVolumeOpen Interest
GRTXNear the Money
$0.05Near the Money
$0.10Near the Money
$0.05Near the Money
$0.00Near the Money
---Near the Money
277Near the Money
GRTXIn the Money
$0.00In the Money
$0.95In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
$0.00Near the Money
$1.00Near the Money
$0.05Near the Money
$0.00Near the Money
---Near the Money
102Near the Money
GRTXIn the Money
$0.50In the Money
$1.25In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
$0.00Near the Money
$1.00Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
$1.05In the Money
$1.70In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
$0.00Near the Money
$0.25Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
$1.40In the Money
$2.15In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
$0.00Near the Money
$0.85Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
$2.00In the Money
$2.65In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXOut of the Money
$0.00Out of the Money
$0.05Out of the Money
$0.00Out of the Money
$0.00Out of the Money
---Out of the Money
---Out of the Money
GRTXIn the Money
$4.50In the Money
$5.10In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXOut of the Money
$0.00Out of the Money
$1.00Out of the Money
$0.00Out of the Money
$0.00Out of the Money
---Out of the Money
---Out of the Money
GRTXIn the Money
$5.30In the Money
$8.40In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money