Hi, I'm stuck with a question regarding option contracts:

Initially purchased a long Mesoblast position for $17.37 Amount of shares: 11,296

I need to use options to hedge this position...

I believe I need to you use a put option.. however don't know how to calculate this

CALLS PUTS Ask Ask 0.20 0.80 Expires January 15, 2021 Symbol Last Change quote 15.53 0.00 quote 11.40 0.00 quote 9.70 0.00 quote 8.60 0.00 quote 8.30 0.00 quote 7.20 0.00 quote 6.60 0.00 Vol 0.00 0.00 0.00 0.00 8.00 80.00 Bid 13.00 10.50 8.70 8.60 7.30 5.90 6.00 17.80 15.50 13.50 11.00 9.20 7.90 7.00 Open Int Strike 1.00 2.50 47.00 5.00 77.00 7.50 370.00 10.00 910.00 12.50 776.00 15.00 219.00 17.50 17.88 770.00 20.00 267.00 22.50 758.00 25.00 143.00 30.00 123.00 35.00 Symbol Last Change Vol Bid quote 0.25 0.00 0.00 0.00 quote 0.55 0.00 0.00 0.45 quote 1.25 0.00 0.00 1.20 quote 2.65 0.00 0.00 2.00 quote 3.80 0.00 5.00 2.70 quote 5.43 0.00 0.00 3.20 quote 7.00 0.00 0.00 5.70 Current price as of 9/18/2020 04:00:00 PM quote 8.50 0.00 0.00 7.60 quote 13.00 0.00 0.00 9.10 quote 0.00 0.00 0.00 10.70 quote 0.00 0.00 0.00 15.10 quote 0.00 0.00 0.00 19.10 1.35 2.85 4.20 6.80 8.00 Open Int 106.00 458.00 314.00 557.00 363.00 86.00 23.00 20.00 3.00 3.00 quote 5.70 quote 5.40 quote 4.60 quote 4.20 quote 3.80 APRIL 2021 OPTIONS 0.00 0.00 0.00 0.00 0.00 15.00 0.00 0.00 8.00 5.00 4.50 4.10 3.70 2.85 2.30 6.30 5.10 5.10 4.80 4.80 9.30 11.70 14.10 18.10 22.80 Show