騰落

• Reading: とうらく
• Romaji: toraku
• Kanji breakdown: 騰 (tou) — to rise, surge; 落 (raku) — to fall, drop
• Pronunciation: /to.ː.ɾa.kɯ/

Meaning

Rise and fall of prices; fluctuation. The combined upward and downward movement of market prices or indices.

A financial noun combining 騰 (rise, surge) and 落 (fall, drop). Used to describe the overall movement and volatility of market prices, especially stock indices. 騰落率 (toraku ritsu) is the rate of price change over a period. 騰落レシオ (toraku reshio, advance-decline ratio) is a technical indicator of market breadth. Common in financial news and analyst reports.

Examples

1. 日経平均の騰落率を見ると、今月は上昇基調にある。 Looking at the Nikkei's rate of price change, this month has been on an upward trend.
2. 商品価格の騰落が激しく、仕入れコストの見通しが立てにくい。 Commodity price swings have been severe, making it difficult to forecast procurement costs.
3. 騰落レシオが130を超えると、相場の過熱感が警戒される。 When the advance-decline ratio exceeds 130, the market is considered overheated and caution is warranted.

Usage Guide

Context: financial markets, investment analysis, commodities

Tone: technical

Origin & History

From 騰 (tou) meaning 'to rise, to gallop' and 落 (raku) meaning 'to fall, to drop.' The pairing of opposites creates a compound capturing the full spectrum of price movement.

Cultural Context

Era: Modern

Generation: Investors, analysts

Social background: Financial professionals