# Momentum reference > All 15 momentum in AlgoBarsX, each with its parameters, defaults, ranges and an example: rsi, stoch, stoch_rsi, macd, cci, williams_r, roc, momentum, tsi, ultimate_osc and 5 more. Source: https://algobarsx.com/docs/ref-fn-momentum/ ### `rsi(source = close, length = 14)` → series Relative strength index, from 0 to 100. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `length` | int | `14` | 1 to 5000 | Number of bars in the calculation. | **Formula** Wilder's smoothing (rma) of gains and losses. **Warm-up** length + 1 bars ```algobarsx r = rsi(close, 14) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `stoch(k_length = 14, k_smoothing = 3, d_smoothing = 3, on = bars())` → Stoch Stochastic oscillator. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `k_length` | int | `14` | 1 to 5000 | %K lookback. | | `k_smoothing` | int | `3` | 1 to 500 | %K smoothing. | | `d_smoothing` | int | `3` | 1 to 500 | %D smoothing. | | `on` | BarSet | `bars()` | | Bars to calculate on; defaults to the script's own bars. | #### Outputs, read with a dot | Name | Type | What it is | | --- | --- | --- | | `k` | series | %K. | | `d` | series | %D. | ```algobarsx s = stoch(14, 3, 3) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `stoch_rsi(source = close, rsi_length = 14, stoch_length = 14, k = 3, d = 3)` → Stoch Stochastic RSI. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `rsi_length` | int | `14` | 1 to 5000 | RSI length. | | `stoch_length` | int | `14` | 1 to 5000 | Stochastic length. | | `k` | int | `3` | 1 to 500 | %K smoothing. | | `d` | int | `3` | 1 to 500 | %D smoothing. | #### Outputs, read with a dot | Name | Type | What it is | | --- | --- | --- | | `k` | series | %K. | | `d` | series | %D. | ```algobarsx srsi = stoch_rsi(close, 14, 14, 3, 3) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `macd(source = close, fast = 12, slow = 26, signal = 9)` → Macd Moving average convergence divergence. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `fast` | int | `12` | 1 to 5000 | Fast EMA length. | | `slow` | int | `26` | 1 to 5000 | Slow EMA length. | | `signal` | int | `9` | 1 to 5000 | Signal EMA length. | #### Outputs, read with a dot | Name | Type | What it is | | --- | --- | --- | | `macd` | series | MACD line. | | `signal` | series | Signal line. | | `histogram` | series | MACD minus signal. | ```algobarsx m = macd(close, 12, 26, 9) ``` ```algobarsx rising = macd(close).histogram > 0 ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `cci(source = hlc3, length = 20)` → series Commodity channel index. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `hlc3` | | Series to calculate from. | | `length` | int | `20` | 1 to 5000 | Number of bars in the calculation. | ```algobarsx c = cci(hlc3, 20) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `williams_r(length = 14, on = bars())` → series Williams %R. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `length` | int | `14` | 1 to 5000 | Number of bars in the calculation. | | `on` | BarSet | `bars()` | | Bars to calculate on; defaults to the script's own bars. | ```algobarsx wr = williams_r(14) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `roc(source = close, length = 9)` → series Rate of change in percent. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `length` | int | `9` | 1 to 5000 | Number of bars in the calculation. | ```algobarsx change = roc(close, 9) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `momentum(source = close, length = 10)` → distance of source Difference from the value length bars ago. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `length` | int | `10` | 1 to 5000 | Number of bars in the calculation. | ```algobarsx mom = momentum(close, 10) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `tsi(source = close, long = 25, short = 13, signal = 13)` → Tsi True strength index. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `long` | int | `25` | 1 to 5000 | Long smoothing. | | `short` | int | `13` | 1 to 5000 | Short smoothing. | | `signal` | int | `13` | 1 to 5000 | Signal length. | #### Outputs, read with a dot | Name | Type | What it is | | --- | --- | --- | | `tsi` | series | TSI line. | | `signal` | series | Signal line. | ```algobarsx t = tsi(close, 25, 13, 13) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `ultimate_osc(fast = 7, middle = 14, slow = 28, on = bars())` → series Ultimate oscillator. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `fast` | int | `7` | 1 to 5000 | Fast length. | | `middle` | int | `14` | 1 to 5000 | Middle length. | | `slow` | int | `28` | 1 to 5000 | Slow length. | | `on` | BarSet | `bars()` | | Bars to calculate on; defaults to the script's own bars. | ```algobarsx uo = ultimate_osc(7, 14, 28) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `awesome_osc(fast = 5, slow = 34, on = bars())` → series Awesome oscillator. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `fast` | int | `5` | 1 to 5000 | Fast length. | | `slow` | int | `34` | 1 to 5000 | Slow length. | | `on` | BarSet | `bars()` | | Bars to calculate on; defaults to the script's own bars. | ```algobarsx ao = awesome_osc(5, 34) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `ppo(source = close, fast = 12, slow = 26, signal = 9)` → Macd Percentage price oscillator. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `fast` | int | `12` | 1 to 5000 | Fast EMA length. | | `slow` | int | `26` | 1 to 5000 | Slow EMA length. | | `signal` | int | `9` | 1 to 5000 | Signal EMA length. | #### Outputs, read with a dot | Name | Type | What it is | | --- | --- | --- | | `macd` | series | PPO line. | | `signal` | series | Signal line. | | `histogram` | series | PPO minus signal. | ```algobarsx pp = ppo(close, 12, 26, 9) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `cmo(source = close, length = 9)` → series Chande momentum oscillator. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `length` | int | `9` | 1 to 5000 | Number of bars in the calculation. | ```algobarsx chande = cmo(close, 9) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `trix(source = close, length = 18)` → series Triple-smoothed EMA rate of change. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `source` | series | `close` | | Series to calculate from. | | `length` | int | `18` | 1 to 5000 | Number of bars in the calculation. | ```algobarsx tx = trix(close, 18) ``` Works in: strategy, indicator, alert, library. Since 1.0. ### `mfi(length = 14, on = bars())` → series Money flow index. #### Parameters | Name | Type | Default | Range | What it is | | --- | --- | --- | --- | --- | | `length` | int | `14` | 1 to 5000 | Number of bars in the calculation. | | `on` | BarSet | `bars()` | | Bars to calculate on; defaults to the script's own bars. | ```algobarsx flow_index = mfi(14) ``` Works in: strategy, indicator, alert, library. Since 1.0.