PyPI recent updates for jcback https://pypi.org/project/jcback/ Recent updates to the Python Package Index for jcback en 0.1.4 https://pypi.org/project/jcback/0.1.4/ Event-driven bar replay backtest engine for China A-share, ETF, bond and futures Tue, 14 Jul 2026 09:22:19 GMT 0.1.3.1 https://pypi.org/project/jcback/0.1.3.1/ Event-driven bar replay backtest engine for China A-share, ETF, bond and futures Sat, 04 Jul 2026 09:34:29 GMT 0.1.2 https://pypi.org/project/jcback/0.1.2/ Event-driven bar replay backtest engine for China A-share, ETF, bond and futures Thu, 02 Jul 2026 07:56:42 GMT 0.1.1 https://pypi.org/project/jcback/0.1.1/ Event-driven bar replay backtest engine for China A-share, ETF, bond and futures Wed, 17 Jun 2026 06:28:12 GMT