Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Rule 6.4-O To Allow for the Interval Between Strike Prices of Series of Options on Shares of the SPDR Gold Shares To Be $1 or Greater and To Expand the Short Term Option Series Program To Permit the Listing of Two Monday Expirations For Options on Shares of the SPDR Gold Shares, iShares Silver Trust, and iShares 20+ Year Treasury Bond ETF