Microsft (MSFT) Underlying stock price*: 47.91 Call Put Open hter Open hter Expiration Strike Last Volume est Last Volume est Sep 40 7.4 26 750 0.05 49 6137 Oct 40 8.3 70 1860 0.85 2412 26305 Jan 40 10.5 10 3218 2.55 111 20298 Apr 40 11.6 20 24 3.9 250 758 Sep 45 3.1 3386 13422 0.35 7491 28435 Oct 45 5 392 5825 1.85 769 22082 Jan 45 7.1 15 5956 4.1 1507 30475 Apr 45 8.8 12 142 5.7 6 1261 Sep 50 0.35 4546 43800 2.5 4121 18871 Oct 50 1.85 2719 23976 4.1 2095 18245 Jan 50 4.3 321 36773 6.4 779 53261 Now using the more detailed prices below, check to see if there is a violation of put- call parity. Calls Last Bid Ask Vol Open Int Puts Last Bid Ask Vol Open Int Sale Sale 02 Oct 5 4.9 5.1 115 5669 02 Oct 1.85 1.45 1.6 20 22196 45.00 45.00