玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.5643.5936.590.19-5.0-20.83163.61-29.18-26.59489.545.8927.7266.09239.45322.84587.05-12.88-0.59
24Q2 (19)0.390.0-26.420.2025.0-33.33231.02-1.634.46462.31-20.5652.4619.47-28.187.57673.85-14.6647.47
24Q1 (18)0.39-20.41-15.220.16-36.0-27.27234.7725.6518.92581.9757.7539.0927.1198.469.23789.6345.6633.6
23Q4 (17)0.4919.5132.430.254.1756.25186.84-16.16-24.96368.93-3.74-34.1313.66-12.6-64.17542.12-8.19-29.68
23Q3 (16)0.41-22.64-33.870.24-20.0-20.0222.8629.7152.35383.2826.426.0215.63-13.65-46.62590.5129.2340.22
23Q2 (15)0.5315.22-54.70.3036.36-31.82171.81-12.97120.13303.23-27.5347.3318.10-27.07-65.06456.94-22.6996.91
23Q1 (14)0.4624.32-67.610.2237.5-54.17197.42-20.71208.57418.42-25.3119.1924.82-34.89-68.32591.02-23.34234.82
22Q4 (13)0.37-40.32-72.590.16-46.67-64.44248.9870.21269.68560.1284.17174.4738.1230.19-59.89770.9883.07337.11
22Q3 (12)0.62-47.01-58.390.30-31.82-40.0146.2887.42138.79304.1447.7867.5629.28-43.49-66.94421.1481.49173.11
22Q2 (11)1.17-17.61-24.030.44-8.33-22.8178.0521.9932.2205.817.8229.6351.81-33.87-42.39232.0531.4681.46
22Q1 (10)1.425.19-6.580.486.67-18.6463.98-5.06.74190.89-6.4624.0678.35-17.56-16.71176.520.0847.42
21Q4 (9)1.35-9.48.00.45-10.0-6.2567.359.94-7.55204.0712.437.5595.047.313.13176.3814.38-1.23
21Q3 (8)1.49-3.2561.960.50-12.2811.1161.263.76-38.32181.5114.32-11.288.57-1.5227.42154.2020.58-34.16
21Q2 (7)1.541.3242.590.57-3.399.6259.04-1.5-29.87158.773.18-9.5189.94-4.3917.99127.886.8-30.28
21Q1 (6)1.5221.610.140.5922.92-10.6159.94-17.72-9.33153.87-18.911.3194.0711.97121.86119.74-32.95-26.06
20Q4 (5)1.2535.873.310.486.672.1372.85-26.65-2.76189.74-7.17-1.584.0120.8679.32178.57-23.76-19.09
20Q3 (4)0.92-14.810.00.45-13.460.099.3217.970.0204.4016.490.069.51-8.820.0234.2127.70.0
20Q2 (3)1.08-21.740.00.52-21.210.084.1927.350.0175.4626.930.076.2379.790.0183.4113.260.0
20Q1 (2)1.3814.050.00.6640.430.066.11-11.760.0138.23-28.240.042.40-9.50.0161.94-26.620.0
19Q4 (1)1.210.00.00.470.00.074.920.00.0192.620.00.046.850.00.0220.690.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)1.97-50.380.98-33.33184.86101.2370.7149.7919.71-73.66535.86102.57
2022 (9)3.97-27.551.47-24.2391.8837.9247.4831.7574.83-20.69264.5365.21
2021 (8)5.4818.611.941.0466.63-15.59187.84-1.2494.3528.59160.12-18.21
2020 (7)4.62-10.981.92-2.5478.9412.15190.202.6173.377.83195.784.29
2019 (6)5.1921.551.9714.5370.39-17.64185.37-12.4368.04-38.44187.730.59
2018 (5)4.27-23.891.72-42.8685.4731.29211.6974.65110.5359.2186.6359.69
2017 (4)5.6112.423.0114.8965.10-11.0121.21-12.9869.434.86116.87-20.07
2016 (3)4.9902.62073.150139.29066.210146.220

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