🧮 LibItoFin v0.43.0

0.43.0 (2026-10-13)

🎁 Features

• bond-analytics: add C ABI and Go bond analytics bindings (3ee3241)
• bonds: add C ABI and Go bond foundation (95bfee7)
• callable-bond: add callable implied volatility (677cd00)
• callable-bond: add effective sensitivities (ea3d01a)
• floating-bonds: add C ABI and Go floating-rate bond support (f4aedf7)
• instruments: add callable OAS inversion (0be3989)
• libitofin: add immutable callable-bond spread probes (5b777fa)
• medium6_callable_iv: add callable volatility oracle support (0cfdbe8)
• processes: add bare factor g2 process (6732c3f)
• python: add bond yield and Z-spread analytics (14c73d3)
• python: add fixed and zero bond bindings (4b7d27a)
• python: add floating-rate bond bindings (fe5e5e0)
• src: add Black European callable bond engine (6a0d681)

⚒️ Enhancement & Maintenance

• libitofin: share guarded callable settlement calculation (b3c2abe)

🪲 Bug Fixes

• bond: normalize forward yield in Black callable pricing (043915a)
• g2: retain loading and cross covariance under correlation underflow (7898906)

Go bindings

Install github.com/benbenbang/libitofin/sdk/go@v0.43.0 with Go 1.27.1. The native archives and SHA-256 checksums are attached below for Linux amd64, Linux arm64, macOS amd64, and macOS arm64. cgo, a C compiler, and the matching native package are required. See the installation guide.

Windows amd64 native Go package (GNU/MinGW) is available with its SHA-256 checksum; use a matching MinGW cgo compiler.