• LAST PRICE
    0.0445
  • TODAY'S CHANGE (%)
    Trending Down-0.0006 (-1.3304%)
  • Bid / Lots
    0.0415/ 700
  • Ask / Lots
    0.0470/ 494
  • Open / Previous Close
    0.0404 / 0.0451
  • Day Range
    Low 0.0404
    High 0.0445
  • 52 Week Range
    Low 0.0400
    High 0.2900
  • Volume
    6,585
    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
---Near the Money
$0.05Near the Money
$0.70Near the Money
$0.00Near the Money
---Near the Money
303Near the Money
GRTXIn the Money
---In the Money
$3.50In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
---Near the Money
$3.20Near the Money
$0.09Near the Money
$0.00Near the Money
---Near the Money
107Near the Money
GRTXIn the Money
---In the Money
$4.00In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
---Near the Money
$3.20Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
---In the Money
$4.50In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
---Near the Money
$3.20Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
---In the Money
$5.00In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXNear the Money
---Near the Money
$3.20Near the Money
$0.00Near the Money
$0.00Near the Money
---Near the Money
---Near the Money
GRTXIn the Money
---In the Money
$5.50In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money
GRTXOut of the Money
---Out of the Money
$3.20Out of the Money
$0.00Out of the Money
$0.00Out of the Money
---Out of the Money
---Out of the Money
GRTXIn the Money
$1.80In the Money
$8.00In the Money
$0.00In the Money
$0.00In the Money
---In the Money
---In the Money