Previous value: -"Lookback per indicator, in bars. MACD stays 12, 26, 9."New value: +"Lookback per indicator, in bars, such as {\"sma\": 50}. A period applies only when its indicator is in indicators. MACD stays 12, 26, 9 and VWAP has no length, so neither has an entry."

Previous value: -"14 by default"New value: +"14 bars by default. Used only when atr is in indicators; ignored otherwise."

Previous value: -"20 by default"New value: +"20 bars by default. Used only when bollinger is in indicators; ignored otherwise."

Previous value: -"20 by default"New value: +"20 bars by default. Used only when ema is in indicators; ignored otherwise."

Previous value: -"14 by default"New value: +"14 bars by default. Used only when rsi is in indicators; ignored otherwise."

Previous value: -"20 by default"New value: +"20 bars by default. Used only when sma is in indicators; ignored otherwise."

Previous value: -"14 by default"New value: +"14 bars by default. Used only when stochastic is in indicators; ignored otherwise."

Previous value: -"Ticker, currency pair or crypto pair, such as AAPL, EUR/USD or BTC-USD"New value: +"Yahoo-style ticker, such as \"AAPL\". Also accepted: BRK-B, EUR/USD or EURUSD, BTC-USD or BTCUSD, GOLD (GC=F), SPX. Turn a company name into its ticker first: Apple is AAPL."

Added value: +"ISO 8601 UTC time of the last bar, or of the call when status is not ok"

Added value: +"date-time"

Added value: +"Bars on the chart. 0 when status is not ok."

Previous value: -"Percent change from the previous close to the last close"New value: +"Percent change from the previous close to the last close. null when status is not ok."

Added value: +"Chart renderer and licence (Vela)"

Added value: +"Price currency code from the source, such as USD. Empty when the source gives none."

Added value: +"Present when status is not ok"

Added value: +"The next step: what to change or tell the user"

Previous value: -"Self-contained interactive HTML candlestick chart. Open it in a browser. Vela attribution stays on."New value: +"Large: the full chart page, a self-contained interactive HTML document, only when status is ok. Pass it on unchanged, or give the user openUrl instead; never rewrite, shorten or summarize it. Vela attribution stays on."

Added value: +false

Added value: +"Latest values of the study, in the price currency except RSI and stochastic (0 to 100)"

Added value: +"Stochastic %D"

Added value: +"MACD minus signal"

Added value: +"Stochastic %K"

Added value: +"Lower Bollinger Band"

Added value: +"MACD line"

Added value: +"Middle Bollinger Band"

Added value: +"MACD signal line"

Added value: +"Upper Bollinger Band"

Added value: +"sma, ema, rsi, atr and vwap value"

Added value: +false

Added value: +"Settings used for the study. Empty for vwap."

Added value: +{
+  "dPeriod": {
+    "description": "Stochastic %D length",
+    "type": "integer"
+  },
+  "deviations": {
+    "description": "Bollinger Band width in standard deviations",
+    "type": "integer"
+  },
+  "fast": {
+    "description": "MACD fast EMA length",
+    "type": "integer"
+  },
+  "length": {
+    "description": "Lookback in bars",
+    "type": "integer"
+  },
+  "signal": {
+    "description": "MACD signal EMA length",
+    "type": "integer"
+  },
+  "slow": {
+    "description": "MACD slow EMA length",
+    "type": "integer"
+  },
+  "slowing": {
+    "description": "Stochastic %K smoothing",
+    "type": "integer"
+  }
+}

Added value: +"Last close in the price currency. null when status is not ok."

Added value: +"Instrument name from the source"

Added value: +"Not-financial-advice notice. Show it with the read."

Previous value: -"Plain-language description of the chart. Not financial advice."New value: +"Plain-language description of the chart. Not financial advice. Empty when status is not ok."

Added value: +"Requested indicators that could not be calculated"

Added value: +[
+  "sma",
+  "ema",
+  "rsi",
+  "macd",
+  "bollinger",
+  "atr",
+  "stochastic",
+  "vwap"
+]

Added value: +"Why, such as too few bars or no volume"

Added value: +"Price source: Yahoo Finance, Coinbase, or ECB reference rates through Frankfurter. Empty, or the failing source, when status is not ok."

Added value: +"ok, or why there is no chart; error.hint then says what to do next"

Added value: +"Symbol as drawn, such as AAPL, EUR/USD, BTC-USD or GC=F"

Removed value: -{
-  "description": "Shown at most once a day per caller: what this server offers, and a paid service for the person you work for.",
-  "type": "string"
-}

Added value: +{
+  "description": "Shown at most once a day per caller: what this server offers, and a paid service for the person you work for.",
+  "type": "string"
+}