- Retail Trader
- Return on Investment (ROI)
- Revaluation
- Reversal
- Reverse Repo (RRP)
- Reward-To-Risk Ratio
- Ripple
- Rising Three Methods
- Rising Wedge
- Risk
- Risk Appetite
- Risk aversion
- Risk Capital
- Risk Management
- Risk Off - Risk On
- Risk Sentiment
- Rollover
- Rollover Fee
- Romanian Lei
- RORO
- Round Trip
- Russian Rubles
- Rwanda Rwanda Francs
- Sadakazu Tanigaki
- Safe Haven Currencies
- Saint Helena Pounds
- Same Day Transaction
- Samoa Tala
- Sao Tome, Principe Dobras
- Satoshi
- Saudi Arabia Riyals
- Scalp
- Scalping
- Schengen Area
- Scrypt
- SDR
- Seborga Luigini
- SEC
- Secured Overnight Financing Rate (SOFR)
- Securitization
- SegWit
- Sell Wall
- Sell-Off
- Selling Pressure
- Sentiment
- Settlement Period
- Settlement Risk
- Seychelles Rupees
- SHA
- Shadow