OPEN-SOURCE SCRIPT
已更新 MAHAR K Stochastic Indicator
What It Does
%K line calculates fast stochastic of _src over length, then re-smoothed twice: sk (smoothK), %D (smoothD), and slower %F (smoothF).
Plots the three lines, draws 80/50/20 bands, and highlights extreme values by drawing red circles when sk hits 100 and green when it hits 0.
Notable Details
sma_signal chooses the smoothing kernel (SMA, EMA, WMA, DEMA). ma() delegates to the selected function and contains a VWMA branch even though VWMA is not listed in the input options.
A custom dema() helper implements the classic double EMA.
stOBOS is always true, so the ternary wrappers around the circle plots can be simplified.
Risk / Edge Cases
If highestHigh == lowestLow (flat price over the window) the %K calculation divides by zero, yielding na. Consider guarding against that or defaulting to previous values.
To actually expose VWMA, add it to the input options; otherwise remove the dead code branch.
Next Steps
Decide whether to safeguard the denominator before plotting.
Align the smoothing options with the available choices and prune the redundant conditionals if desired.
%K line calculates fast stochastic of _src over length, then re-smoothed twice: sk (smoothK), %D (smoothD), and slower %F (smoothF).
Plots the three lines, draws 80/50/20 bands, and highlights extreme values by drawing red circles when sk hits 100 and green when it hits 0.
Notable Details
sma_signal chooses the smoothing kernel (SMA, EMA, WMA, DEMA). ma() delegates to the selected function and contains a VWMA branch even though VWMA is not listed in the input options.
A custom dema() helper implements the classic double EMA.
stOBOS is always true, so the ternary wrappers around the circle plots can be simplified.
Risk / Edge Cases
If highestHigh == lowestLow (flat price over the window) the %K calculation divides by zero, yielding na. Consider guarding against that or defaulting to previous values.
To actually expose VWMA, add it to the input options; otherwise remove the dead code branch.
Next Steps
Decide whether to safeguard the denominator before plotting.
Align the smoothing options with the available choices and prune the redundant conditionals if desired.
版本注释
add custom alerts开源脚本
本着TradingView的真正精神，此脚本的创建者将其开源，以便交易者可以查看和验证其功能。向作者致敬！虽然您可以免费使用它，但请记住，重新发布代码必须遵守我们的网站规则。
免责声明
这些信息和出版物并不意味着也不构成TradingView提供或认可的金融、投资、交易或其它类型的建议或背书。请在使用条款阅读更多信息。
开源脚本
本着TradingView的真正精神，此脚本的创建者将其开源，以便交易者可以查看和验证其功能。向作者致敬！虽然您可以免费使用它，但请记住，重新发布代码必须遵守我们的网站规则。
免责声明
这些信息和出版物并不意味着也不构成TradingView提供或认可的金融、投资、交易或其它类型的建议或背书。请在使用条款阅读更多信息。