Singapore operates a basket-band-crawl framework managed by the Monetary Authority of Singapore. Hong Kong maintains the 1983 USD-linked exchange rate system. Taiwan operates managed float supported by Central Bank of Taiwan. South Korea operates floating exchange rate with Bank of Korea oversight. China operates managed float framework supported by PBOC reference rate mechanism. Five distinct FX frameworks across five major Asian economies, each emerging from specific historical context and operating across the 1990-2026 period through multiple regional crisis events. We pulled the framework-by-framework comparison, the post-1997 Asian crisis evolution, and what 36 years reveal about FX framework selection consequences.

Singapore — basket-band-crawl framework

MAS framework characteristics:

Framework type. Trade-weighted basket basis with managed band around basket reference plus controlled crawl rate adjustment.

Monetary authority. Monetary Authority of Singapore (MAS) — also functioning as central bank.

Policy lever. Exchange rate policy as primary monetary policy lever (vs interest rate policy used by most central banks).

Framework establishment. Basket-band-crawl framework operational since 1981 with continued refinement.

Recent operation. Continued framework operation through 2025-2026 with periodic policy band adjustments.

Reserves position. Substantial MAS reserves supporting framework credibility.

The Singapore framework operates as global reference for exchange-rate-targeted monetary policy operating through extended horizon.

Hong Kong — currency board peg

HKMA framework:

Framework type. Currency board peg to USD at 7.80 with 7.75-7.85 trading band (post-2005).

Monetary authority. Hong Kong Monetary Authority (HKMA).

Note-issuing banks. HSBC, Standard Chartered, Bank of China — operating under currency board mechanism.

Framework establishment. Linked Exchange Rate System operational since October 17 1983.

Crisis defense history. Sustained peg through 1997 Asian crisis, 2008 GFC, 2019-2020 stress period.

Reserve backing. Substantial reserve position supporting peg sustainability.

The Hong Kong framework operates as global reference for sustained currency board peg framework.

Taiwan — managed float

CBC framework:

Framework type. Managed float supported by Central Bank of Republic of China (Taiwan).

Monetary authority. Central Bank of Taiwan (CBC).

Framework characteristics. Substantial CBC management influence with float-foundation framework.

TWD trajectory. TWD operating across approximately 28-32 USD range across 2015-2026 with sustained CBC management.

Reserve position. Substantial CBC reserves supporting framework operation.

Framework operation. Continued framework operation through 2025-2026 with sustained CBC oversight.

The Taiwan framework operates within managed float category with substantial central bank intervention pattern.

South Korea — floating exchange rate

BOK framework:

Framework type. Floating exchange rate with Bank of Korea oversight.

Monetary authority. Bank of Korea (BOK).

Framework establishment. Free-float framework adopted post-1997 Asian crisis.

KRW trajectory. KRW operating across approximately 1,100-1,400 USD range across 2015-2026 with substantial cyclical variation.

Capital account. Substantially open capital account supporting framework operation.

Crisis history. 1997 Asian crisis precipitated transition from prior managed framework toward float framework.

The Korea framework operates within floating category supported by substantial monetary authority oversight.

China — managed float framework

PBOC framework:

Framework type. Managed float with PBOC reference rate mechanism.

Monetary authority. People's Bank of China (PBOC).

Framework evolution. Major framework reforms August 11 2015 plus continued framework refinement.

Capital account framework. Capital account framework with sustained controls supporting framework operation.

RMB trajectory. RMB operating across approximately 6.20-7.30 USD range across 2015-2026.

Framework reform pace. Continued framework reform supporting RMB internationalization.

The China framework operates within managed float category with substantial PBOC management plus framework reform pace.

Cross-framework comparison

Framework characteristics summary:

Liquidity depth. Singapore deepest, Hong Kong substantial, Taiwan moderate, Korea substantial, China substantial onshore plus offshore.

Convertibility. Singapore full, Hong Kong full, Taiwan substantial, Korea full, China managed.

Policy independence. Singapore exchange-rate-led, Hong Kong USD-anchored, Taiwan central-bank-led, Korea independent, China managed.

Crisis resilience. All five frameworks survived 1997 Asian crisis with framework-specific adjustments.

International integration. Singapore highly integrated, Hong Kong integrated, Taiwan integrated, Korea integrated, China expanding.

The cross-framework comparison reveals framework diversity across Asian economies reflecting specific historical context plus policy choice.

What 36 years reveal

Framework retrospective findings:

Multiple framework types can sustain. Currency board pegs (Hong Kong), basket-band-crawl (Singapore), managed float (Taiwan, China), and floating (Korea) all sustained across 36-year horizon.

Framework selection reflects context. Each framework reflects specific historical context plus economic structure considerations.

Framework reform is possible. Korea transition post-1997, China continued reform demonstrate framework reform capacity.

Reserve position supports framework credibility. All five economies maintain substantial reserve positions supporting framework operation.

Crisis events test framework integrity. 1997 Asian crisis, 2008 GFC, 2020 COVID, 2022 Russia-Ukraine all tested frameworks with framework-specific responses.

Multi-decade horizon enables structural learning. 36-year framework operation provides substantive comparative reference.

Asian session implications 2026

For Asian-session forex desks:

Cross-framework liquidity. Different framework types produce different liquidity patterns affecting Asian-session execution.

Pair-specific pricing. SGD, HKD, TWD, KRW, CNH/CNY each pricing reflects framework-specific dynamics.

Multi-framework arbitrage. Cross-framework arbitrage opportunities reflect framework differentiation.

Asian framework integration. Continued Asian framework integration affects cross-pair dynamics.

The Asian Tigers plus China comparison provides comprehensive framework-type reference across major modern Asian economies. Thirty-six years of framework operation demonstrates framework diversity sustainability while revealing framework-selection trade-offs. For ongoing Asian forex analysis, the cross-framework comparison provides operational reference for understanding cross-currency pricing dynamics across distinct framework types.