* Fixes inability to parse negative strike prices in SecurityIdentifier
* Adds new tests ensuring backwards compat and no throwing w/ negative
strike prices
* Changes strategy used to support negative strike prices
* We add support for negative strike prices at the cost of
reducing the maximum allowed precision for the strike price.
We encode a negative sign into the 20th bit of the strike price
and set our bounds for precision to a max (exclusive) of 475712.
This in turn is then used to form a negative strike when rebuilding
the SID.
* Adds tests covering changes
* Address review: adds additional tests and refactors code
* Address self-review: remove unused import in SymbolTests
* Address review: adds additional test cases for OptionStyle and OptionRight
* These tests are to ensure that backwards compatibility is maintained
* Addresses review: Adds option chain <-> master SID hash test
* Refactors previous tests to reduce on code duplication
* Reduce test duplication
Co-authored-by: Martin Molinero <martin.molinero1@gmail.com>
Gerardo Salazar
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