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
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
22Q2 (20)0.58-6.4518.372.3514.63-7.11157.497.02-15.8538.81-12.377.93105.5623.2-18.8990.73-14.23-2.42
22Q1 (19)0.620.08.772.05-18.0-30.74147.160.55-8.1844.2921.7144.0885.681.83-27.41105.787.2844.94
21Q4 (18)0.62-4.62-23.462.50-31.32-47.37146.353.9830.5236.3945.3990.0384.14-7.16-7.5498.6031.2144.79
21Q3 (17)0.6532.65-2.993.6443.87-7.61140.75-24.84.1725.03-30.398.2690.63-30.36-20.6575.15-19.1870.72
21Q2 (16)0.49-14.04-49.482.53-14.53-52.17187.1616.7898.8335.9616.98109.19130.1410.2684.8692.9827.4127.17
21Q1 (15)0.57-29.6321.282.96-37.68-8.92160.2742.93-16.9830.7460.529.71118.0329.7-7.9572.9881.18-21.4
20Q4 (14)0.8120.9-19.04.7520.56-19.63112.13-17.0123.1919.15-17.1724.2791.00-20.3326.040.28-8.517.74
20Q3 (13)0.67-30.93-17.283.94-25.52-28.88135.1243.5520.8823.1234.540.72114.2262.2474.1244.027.55-29.69
20Q2 (12)0.97106.3849.235.2962.7712.5594.13-51.24-32.2617.19-38.65-11.2170.40-45.1-22.3840.93-55.92-39.48
20Q1 (11)0.47-53.0-47.783.25-45.01-56.95193.06112.1190.4528.0281.83132.53128.2377.55100.9292.85171.4187.2
19Q4 (10)1.0023.46122.225.916.6860.691.02-18.57-55.4915.41-6.21-37.7672.2210.09-49.134.21-45.36-60.84
19Q3 (9)0.8124.6226.565.5417.87-22.84111.78-19.56-21.9616.43-15.1329.5765.60-27.67-30.4362.61-7.421.59
19Q2 (8)0.65-27.78-10.964.70-37.75-4.47138.9637.0810.8319.3660.664.7690.7042.1231.7967.6336.35-9.87
19Q1 (7)0.90100.013.927.55105.1651.3101.37-50.43-12.1212.05-51.33-33.9763.82-55.02-10.249.60-43.23-20.68
18Q4 (6)0.45-29.6903.68-48.750204.4942.76024.7695.270141.8850.47087.3741.770
18Q3 (5)0.64-12.3307.1845.930143.2414.24012.68-31.39094.2937.01061.63-17.870
18Q2 (4)0.73-7.590.04.92-1.40.0125.388.70.018.481.260.068.82-3.170.075.0420.010.0
18Q1 (3)0.7900.04.9900.0115.3500.018.2500.071.0700.062.5300.0
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
2021 (10)2.29-13.268.96-42.16159.3615.3940.7572.89105.66-0.5794.4570.49
2020 (9)2.64-29.7915.49-35.46138.1042.4423.5754.96106.2741.6955.4049.09
2019 (8)3.7627.0324.00-8.6196.95-21.2715.219.4275.00-7.9237.16-33.18
2018 (7)2.9650.2526.2628.47123.15-33.4413.90-22.1381.45-35.8955.61-26.67
2017 (6)1.9717.9620.4420.8185.03-15.4917.85-17.25127.05-14.7975.84-17.03
2016 (5)1.67-16.516.92-28.34218.9520.121.5739.52149.1125.6591.4115.58
2015 (4)2.00-13.4223.61-15.25182.3015.4215.4618.02118.6712.0379.0921.43
2014 (3)2.315.4827.8620.61157.95-5.0413.10-17.09105.93-11.3765.134.01
2013 (2)2.19-5.1923.10-1.87166.345.0515.801.94119.522.8762.628.62
2012 (1)2.31023.540158.34015.500116.19057.650

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